2D Geometry Questions and Answers

1 40 Find the equation for the parabola that has its vertex at the origin and has directrix at x The equation is

OASA right SAS SSA Question 24 How many triangles are possible with the configuration A 60 5 a 34 2 b 38 0

Try This Match the function to the correct list of transformations One is done for you Function B f x x 1 3 f x 3 x 2 1 f x 3 x 1 2 3 x 1 x 1 List of Transformations A Horizontal compression shift right shift up B Vertical reflection vertical compression shift down C Horizontal stretch shift down D Vertical reflection vertical stretch shift left shift up

10 45 10 8Y 6 4 2 2 4 6 8 10 M 2 es t 7 x 10 Q Write the standard equation for the hyperbola graphed above

y 2 x 3 64 1 What is the length of the transverse axis

Graph the given hyperbola 4x 25y 16x 200y 484 0 Graph by selecting the correct hyperbola clicking the center then clicking the point on the graph 10 9 8 7 6 5 4 3 10 9 8 for 7 6 No 4 4 2 3 5676 5 8 9 10

tch the graphs to their equations y 3 x 2 1 4 x 2 1 y 3 1 y 3 4 x 2 4 1 1 1 a b 7 7 654 3 2 1234 2 4 6 7 of 3 7 6 5 4 3 2 1 5 6 7 74 6 3 2 123 56 67

Sketch a graph of x 4 y 1 71 65 6 4 32 3 7 7 6 5 4 3 2 1 1 2 3 4 5 6 1 71 1 2 3 4 5 6 7

A swimming pool has the shape of a box with a base that measures 26 m by 19 m and a uniform depth of 2 9 m How much work is required to pump the water out of the pool when it 3 is full Use 1000 kg m for the density of water and 9 8 m s for the acceleration due to gravity Draw a y axis in the vertical direction parallel to gravity and choose one corner of the bottom of the pool as the origin For 0 sy 2 9 find the cross sectional area A y A y 494 Simplify your answer Set up the integral that gives the work required to pump the water out of the pool Use increasing limits of integration Select the correct choice below and fill in the answer boxes to complete your choice Type exact answers OA JO dy OB CHEER dx

9 8 7 6 5 3 2 9 8 7 6 5 4 3 2 1 7 1 y 2 3 4 5 6 7 8 9 X 1 2 3 4 5 6 7 8 9 12 Write an equation for the ellipse graphed in standard form

Change the equation to recreate the graph of the ellipse 2 x y 1 X 10 5 10 5 O 10

Sketch the graph of X 9 7 6 5 4 3 2 7 2 7 6 5 4 3 2 1 1 2 3 4 5 6 y 4 1 1 2 3 2 3 4 5 6 7

91 y 8 6 ob 26 7 6 1 3 2 9 7 6 5 4 3 2 1 4 2 23 4 456 6 8 9 X 1 2 3 4 5 6 7 8 9 a Write an equation for the ellipse graphed in standard form

2 Which of the following are true statements Sele A 25 and 21 are Complementary B 25 and 21 are Supplementary C 23 and 24 form a Linear Pair D 24 and 21 form a Linear Pair lifelong LEAKNE Geometry A Credit 3 L4L Geometry A 2020

10 Which congruency statement would not result in ABCD AQRS 1 point A BC QR forms the Side Angle Side Congruence Theorem OB 2D S forms the Angle Side Angle Congruence Theorem C CD RS forms the Side Side Angle Congruence Theorem OD BC QR and CD RS form the Side Side Side Congruence Theorem 11 In the figure below AB AD and AC bisects A Solve for x Then using that value find the length of AC 1 point 15x 4 2x 160 B 11x 35 E 13

Your Turn 1 Determine whether A DEFA GHJ Justify your reasoning EXPLAIN 2 Proving Triangles Are Congruent Using SAS Triangle Congruence Read Explain 1 and complete Your Turn 1 2 adapted from Lesson 5 3 Show all your work Given CD bisects AE Prove A ABC A EBD The SAS Triangle Congruence Theorem may be used as a reason in a proof To complete the proof you need to show that two sides and the included angle of one triangle are congruent to the corresponding sides and angle of the other triangle Example Use the figure to the right to complete the two column proof and AE bisects CD Statements 1 CD bisects AE 2 AB EB 3 AB EB 4 AE bisects CD 5 CB DB E H 2 5 cm 2 5 cm 77 2 9 cm 6 CB DB 4 LABC LEBD 5 AABC A EBD DO 1 7 cm 4 Given Reasons 1 Given 2 Definition of a Bisector 3 Definition of Congruence 5 Definition of a Bisector 6 Definition of Congruence 4 Vertical Angles are Congruent 5 SAS Triangle Congruence Theorem G 1 7 cm

HW 1 What additional information would be enough to prove that the two triangles are congruent by SAS L Homework Complete problems 1 6 below for independent practice A HG ZX B TG 2X C LG LX D 2H ZY HHH H When you are finished check the solutions with your teacher A XHXY OBJH WY C ZW D 2N ZY 3 Determine if the triangles below are congruent If 4 Determine if the triangles below are congruent If so what properties are used in your logic so what properties are used in your logic M 5 State what additional information is required to prove AUML AKLM by SAS 2 What additional information would be enough to prove that the two triangles are congruent by SAS 6 State what additional information is required to prove AJHI AUSI by SAS Optional Complete problems 1 3 4 6 7 11 12 14 from your textbook on separate lined paper When you are finished check the odd problems for solutions at the back of the textbook

1 Find the values for x that results in A FGH A TUV 2 Find the values for y that results in A FGH A TUV 7y 4 T G 60 30 C 8x 12 cm 12 cm H

termine whether the triangles are congruent Explain your reasoning

HW 5 4 Homework 1 What additional information is needed to prove that the two triangles are congruent by SSS Complete problems 1 6 below for independent practice A HG VT BHFVT C LG LV D LF LT S G U tice When you are finished check the solutions with your teacher H 2 What additional information is needed to prove that the two triangles are congruent by SSS N 3 Determine if the triangles below are congruent 4 Determine if the triangles below are congruent If so what properties are used in your logic If so what properties are used in your logic 5 State what additional information is required to 6 State what additional information is required to prove AUMLAKLM by SSS prove AYGE AFGE by SSS M Y H F M ASN MN B LN LN CLM LS D LLNS ZLNM E Optional Complete problems 11 15 23 from your textbook on separate lined paner

Determine whether the triangles are congruent Explain your reasoning congrene papan you A 45 2 3 cm 61 C D 2 3 cm

Reason Bank Vertical angles are congruent Statements 1 JLM LKML 2 LJML LKLM 3 LM LM 4 AJMLA KLM 1 Given LJLM LKML LJML LKLM Prove AJMLA KLM AZAS reason bank below to complete each proof Reflexive Property of Congruence Statements 1 S and ZU are right angles 2 LS LU 3 RV bisects SU 4 STUT 5 LRTS LVTU 6 ARSTA VUT Definition of bisector 2 Given ZS and LU are right angles RV bisects SU Prove ARSTA VUT Reasons Reasons Given ASA Triangle Congruence Theorem R S All right angles are congruent T M U

31 mm 7y 10 mm 24 mm 24 mm 31 mm 25 mm H

those equidistant from the segment s endpoints ular bisector of a line segment are out lines and angles T T Lesson 4 4 Checkpoint Once you have completed the above problems and checked your solutions complete the Lesson Checkpoint below Complete the Lesson Reflection above by circling your current understanding of the Learning Goal 1 If QR 12 and QR is a perpendicular bisector of TS determine which of the following claims are true 6x 4 RS 12 x 4 x 3 RS 5 RS 4 ST 10 QR 4 QT 16 2x 1 True Q90 True True True True True True True R R Q90 3x 8 False 2 If QS 4 and QR is a perpendicular bisector of TS determine which of the following claims are true False False False 4x 3 Starting False False False False Getting there S S Got it

our Turn Tell whether lines m and n must be parallel from the given information If they are state your reasoning 1 45 27 1 8 2 7 3 6 4 5 m

Lesson 4 4 Homework x HW 1 Given the right triangle below solve for x using the Pythagorean Theorem a b c 8m YX Complete problems 1 6 below for independent practice 12 yd 3 Given the right triangle below solve for x using the Pythagorean Theorem a b 13 yd When you are finished check the solutions with your teacher 6m ZS 5 Suppose WZ 15 and WX 17 What does YX equal 2 Given the right triangle below solve for x using the Pythagorean Theorem a 6 2 9 cm 12 cm 4 Suppose AC 12 and BD 8 What does AB equal AB 90 6 Suppose PB is a perpendicular bisector of AC If PA 10 cm and PB 6 cm what is the length of AC AC Optional Complete problems 5 9 11 12 14 from your textbook on separate lined paper When you are finished check the odd problems for solutions at th

Lesson 4 3 Homework HW X x 1 Find the value of x that makes u v parallel X 26r 5 Complete problems 1 6 below for independent practice 2 Find the value of x that makes u v parallel 125 130 Independent Practice 6r 3 6r 4 45 3 Find the value of x that makes u v parallel 7x 1 When you are finished check the solutions with your teacher 17x 11 N 4 Find the value of x that makes us v parallel

Your Turn 1 2 R 71 719 T Determine whether the given triangles are congruent Explain 38 D 700 S 38 U 71 71 W

Your Turn If AD is 10 inches long BD is 6 inches long 1 Find the length of AB lifelong Geometry A Credit 3 A D B L4L Geometry A 2020 Page

1 m24 m28 What type of angle pair is this Circle the theorem or postulate that proves all b Converse of the Same Side Interior Angles Postulate Converse of the Alternate Interior Angles Theorem Converse of the Corresponding Angles Theorem 4 3 2 8 5 6 ta

Your Turn 3 4 Find the value of x that makes s and t parallel 3 x 8 2 x 10 prof 4x12 120

I can prove the following theorems about lines and angles When a transversal crosses parallel lines alternate interior angles are congruent and corresponding angles are congruent 1 Assume mz2 35 Find the measure of all of the other angles in the figure given line I and line p are parallel Lesson 4 2 Checkpoint Once you have completed the above problems and checked your solutions complete the Lesson Checkpoint below Complete the Lesson Reflection above by circling your current understanding of the Learning Goal m21 m24 m26 m28 70 Getting there mz3 m25 m27 27x 2 Got it 2 Identify the relationship between the two angles shown below Corresponding Alternate Interior or Same Side Angles Then solve for x

the value for y that results in A JKL A MNP 4y 12 mm 22 mm 15 mm 22 mm M P 15 mm 32 mm

5 Find the value of x that makes u v parallel X 120 X 6 Find the value of x that makes u v parallel 14x 11 17x 1 v 95

You are given that 5 sin x 7 cos x 1 Determine the numerical value of csc 2 x NOTE Give an exact answer Decimal approximations may be marked incorre csc x 4

A bridge with a semielliptical arch spans a river as shown here What is the clearance 6 ft from the riverbank The clearance 6 ft from the riverbank is about ft Type an integer or a decimal rounded to one decimal place as needed GIES 14 ft

The graph of an exponential function is given Select the function for each graph from the given options y 8x y 8 x 43 y 8 x y 0 5x0 y 8x 1 44 Drag each function given above into the area below the appropriate graph depending on which function is represented by which graph 39 40 41 y 0 y 0 y 1 8x B y 8 x 45 y 8 y 8 1 y Ay y 0 G 42 46 y 1 F Ay FO Q

6 5 Notes 2023 notebook Rewrite in y mx b form and graph IX IX 3 3X 3x y 4 x y 5 y 3x 4 x 2y 6 2y 6 Review 460 461 3x 3x 4y 12 6 4 27 9 2 43 4 m 3 y 3x 3 YCY November 21 2023 5 x 5 2x 2x y 7 y 2x 7 y 2X 7 2x 3y 6 39 2x 6 y mx b 4 7x 2 3 y x 2 Slope Vintercept

Find the slope and y intercept 5 3x y 2 3x y 22 7 1 4x 0 7y 2 8 Sloffs of each line 6 4x 3y 9 Slope 7xy y 9

Ex 2 Find the equation for the line shown in these graphs a b X 2

2 5 Find the m4 and justify by stating the reason drawings are not to scale 2 m4 3 m4 Reason 4 m 4 Reason 56 78 1 Reason 5 m 4 Reason 8 5 1027 83 1

Employee net pay Lindsey Vater s weekly gross earnings for the week ended March 9 were 1 950 and her federal income tax withholding was 409 50 Assuming the social security tax rate is 6 and Medicare tax is 1 5 of all earnings what is Lindsey s net pay For interim computations carry amounts out to two decimal places Round your final answer to two decimal places

The payroll register of Heritage Co indicates 4 800 of social security withheld and 1 200 of Medicare tax withheld on total salaries of 80 000 for the period Federal withholding for the period totaled 17 540 Retirement savings withheld from employee paychecks were 3 200 for the period Journalize the entry to record the period s payroll If an amount box does not require an entry leave it blank Salaries Expense Social Security Tax Payable Medicare Tax Payable Employees Federal Income Tax Payable Retirement Savings Deductions Payable Salaries Payable Feedback Check My Work

Determine whether the given triangles are similar If they are write a similarity statement and name the postulate or theorem you used If the triangles are not similar explain why Choose the correct answer below 34 K 80 110 P L OA AJKL APQR by the AA Postulate OB AJKL APQR by the SAS Theorem OC AJKL APQR by the SSS Theorem OD AJKL and APQR are not similar because the corresponding sides of the triangles are not in proportion 32 R 44 26 Q

The lines represented by the equations 3y 2x 21 and y x 3 are Answer Attempt 1 out of 5 O neither parallel nor perpendicular O perpendicular O parallel the same line Submit Answer

Put the following equation of a line into slope intercept form simplifying all fractions 2x 3y 9

Unit Circle What is the angle Name the Reference angle coterminal angle negative angles quadrants ordered pairs radians degrees sin cos 1

3 Evaluate the trig function with exact values 1 sin 7 7 4 6 3 2 COS 3 tan 5TT 3

Proving That Alternate Interior Angles Are Congruent Read Explain 1 Explain2 and complete Your Turn 1 adapted from Lesson 4 2 Show all your work EXPLAIN 1 Alternate Interior Angles Theorem If two parallel lines are cut by a transversal then the pairs of alternate interior angles have the same measure Example 23 45 Given p q line p parallel to line q Prove m23 m25 Two Column Proof of the Alternate Interior Angles Theorem Statements Example Complete the proof by writing the missing reasons Choose from the following reasons You may use a reason more than once Refer to the reason bank below 1 pllq 2 23 and 26 are supplementary 3 m23 m26 180 4 25 and 26 are a linear pair 5 25 and 26 are supplementary 6 m25 m26 180 7 m23 m26 m25 m26 8 m43 m25 Reason Bank Substitution Property of Equality Reasons Same Side Interior Angles Postulate 1 2 3 4 5 6 7 8 Linear Pair Theorem P Definition of Supplementary Angles 9 1 4 3 5 6 At 8 7 Subtraction Property of Equality Given P 9

Given p q Prove m24 m28 Two Column Proof of the Vertical Angles Theorem Statements 1 pllq 2 24 and 26 are alternate interior angles 3 m24 m26 4 26 and 28 are vertical angles 5 m26 m28 Angles Theorem Refer to the reason bank below 6 m24 m28 Reason Bank Substitution Property of Equality Vertical Angles Theorem Reasons THE RE 1 Given 2 3 4 5 6 Definition of Vertical Angles Alternate Interior Angles Theorem 4 3 5 8 7 P 9 Definition of Alternate Interior Angles