Quadratic equations Questions and Answers

Algebra
Quadratic equationsPart 2 of 4 k x 3 Part 3 of 4 g x Part 4 of 4 10 3x 3 OOO neither linear nor constant linear constant neither linear nor constant linear constant neither linear nor constant linear X X
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Algebra
Quadratic equationsDetermine the domain and range of the function 3 2 3 2 H 2 3 y T 2 3 O A V
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Algebra
Quadratic equations5 The most simplified form is 42 3 O492 4 282 O492 43 2824 O49x4 4x O492 4 2824 8 O 1127
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Algebra
Quadratic equationsO O Sys 2y 24 O2y 2 8 7 4 The stated problem is already in the simplest for
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Algebra
Quadratic equations13 Simplify 2 4 O 5x 452 22 25 O 9x2 45x 22 25 O 5x 45x 25 9x 45x 2 25 O None of the answers shown are correc
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Algebra
Quadratic equations15 Simplify if possible Make sure to use appropriate parenthesis 8 274 2 3 Simplified
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Algebra
Quadratic equations12 The most simplified form a 4 26 735 is 212 825 1425 O21 82 1425 O O 928 21 82 14z2 K
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Algebra
Quadratic equationsOO 0 21 12 ac c abc a c O abc ac 1 O ab 00 O None of the answers shown is a simplification of the origi
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
Algebra
Quadratic equationsdestion Select the roots of f x 2x 200 NOTE You will have to submit your scratchwork for this problem in the next question for full credit For more information on this topic look in your textbook in section 2 3 You might also want to look at the A Review of Polynomials presentation 02 2 00 10 10 O 50
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Algebra
Quadratic equationsQuestion Use the functions f x and g x given below to perform the operations that follow and answer the questions below x x 2 and g x x 1 f x g x Select A 5 B x x 2 C x2 x D x x 2

Algebra
Quadratic equationschecking to see if the functions is even odd or neither by looking at the exponents on x s If all of the exponents are even then the polynomial is even if all of the exponents are odd then the polynomial is odd if some of the exponents are even and others are odd then the polynomial is neither even nor odd Question The function f x 2x 3x is Select
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Algebra
Quadratic equationsDetermine the symmetry of each function 6x y 2 2 2x y 16x 2 y x 2x 3 1 Even 2 Odd 3 Neither
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Algebra
Quadratic equationsDetermine the end behavior for f x x x 3 x 3 As x f x 2As x f x 2 As x f x 1As x f x 1 As x x f x 1As x f x 1 As x f x 0As x f x 0
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Algebra
Quadratic equationsShanti wrote the predicted values for a data set using the line of best fit y 2 55x 3 15 She computed two of the residual values X 1 2 3 4 Given 0 7 2 3 4 1 7 2 Predicted 0 6 1 95 4 5 7 05 Residual 0 1 0 35 a b What are the values of a and b O a 0 4 and b 0 15 a 0 4 and b 0 15 a 8 6 and b 14 25 O a 8 6 and b 14 25
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Algebra
Quadratic equationsThe approximate line of best fit for the given data points y 2x 2 is shown on the graph 54 3 N NWAG 4 3 2 9 4 5 2 3 4 5 X Which is the residual value when x 2 0 2 O 1 0 1 02
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Algebra
Quadratic equationsThe time in seconds that it takes a pendulum to swing back and forth is modeled by the equation below 55 32 where is the length of the pendulum in feet f 2x What is the approximate length of a pendulum that takes 2 4 seconds to swing back and forth O 1 72 ft O 3 05 ft 38 40 ft 46 08 ft
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Algebra
Quadratic equations1 7 x 2 7 2y 3 7 and C is the line from 5 0 to 7 1 7 dr Use the Fundamental Theorem of Line Integrals to calculate X 7 dr exactly
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Algebra
Quadratic equations13 Solve the rational equation 202 2 Don t forget that the easiest way to solve this problem is to cross multiply over the equal sign Do not multiply out the factors Instead look for factors that can cancel Mark all answers that apply 0 1 1 0 2 0 14
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Algebra
Quadratic equations1 Simplify the rational expression If it is already in simplest form write simplest form a 0 2 Simplified 16 7a 14 3
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Algebra
Quadratic equations9 Find the distance t between a fingerprint and a magnifying glass if you can see a fingerprint clearly when your eye is 5 cm away from the glass and the focal length of the glass is 35 cm Hint the formula for this 12 scenario is in your lesson content t cm
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Algebra
Quadratic equations8at B Given the formula F solve for a 9 Make sure to use appropriate parenthesis and notice which letters are capital letters and which are lowercase letters a
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Algebra
Quadratic equations1 For f x 5x 2 and g x x 2 find fog x and gof x Then determine whether fog x gof x What is fog x fog x What is gof x gof x Does fog x gof x O No O Yes
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Algebra
Quadratic equationsGraph the piecewise defined function f x 3 2x 2x 2x O A if x 4 if 4 x 5 if x 5 Choose the correct graph OB O C D
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Algebra
Quadratic equationsDetermine if the function is odd even or neither f x x5 3x 7 Choose the correct answer below O even O odd
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Algebra
Quadratic equations11 How are rational expressions like rational numbers How are they different Write your answer in the space provide
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Algebra
Quadratic equations14 Solve for x in the equation by graphing 28 Find the solution algebraically to verify your graph Answer x
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Algebra
Quadratic equations9 The following are the initial pressure and volume for a gas in a flexible container P 6 9 atmospheres V 6 5 liters If the volume is changed to 4 8 liters what will be the change to the pressure It would change to about Round your answer to the nearest hundredth atmospheres
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Algebra
Quadratic equations12 Solve the equation If the equation has no real solution write no solution 6 C
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Algebra
Quadratic equationsFind the exact value of the vertex focus equation of the directrix and points on the focal width of the following equation x 1 12 y 3 Format of answers For the vertex and focus give answers as ordered pairs with parentheses and no spaces between symbols ex 4 9 For equation of directrix give equation with no spaces between symbols ex t 4 For points on focal width if there is more than one answer put a comma between the ordered pairs htwoor symbols Or 15 16 7 orl 6 71 11 51 with
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Algebra
Quadratic equationsSolve for 0 where n 2 0 2 sin 0 n 6 sin 0 4 Answer with decimal approximation to nearest hundredth
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Algebra
Quadratic equationsFind two real numbers between 2 and 2 that determine each of the points on the unit circle given to the right C X The two real numbers that determine M are Simplify your answer Type exact answers using as needed Use integers or fractions for any numbers in the expression Use a comm separate answers
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Algebra
Quadratic equationsquestion below Part a Circle the quadratic function that has a graph that opens downward f x x 3x 4 Part b Circle the quadratic function that has a y intercept at 0 9 f x x 6x 9 3 0 f x x 4x 10 Part c Circle the coordinate pair that represents the vertex of function f 2 1 f x x 9x 18 1 0
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Algebra
Quadratic equations4 Translating and Solving The length of a new rectangular playing field is 4 yards longer than triple the width If the perimeter of the rectangular playing field is 248 yards what are its dimensions Label your answers Label the two missing sides Setup an equation and solve Width x Width X Width Length
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Algebra
Quadratic equationsfinding missing coordin X Complete the table of ordered pairs for the given linear equation Then plot the ordered pair solutions x 4y y Part 1 of 4 7
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Algebra
Quadratic equationsThe description of the discriminant of a quadratic equation is given in the left column Match the types of solutions from the right column to the appropriate discriminant Drag and drop options on the right hand side and submit For keyboard navigation SHOW MORE Positive and perfect square Positive and not a perfect square Zero III Two non real complex solutions Two rational solutions One repeating rational solution
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Algebra
Quadratic equations6 Consider the graph of the function f given below Fill the table to the right AJI 1 2 Sign 4 correct matches 5pts 5 correct matches 9 pts 6 correct matches 12 5pts 3
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Algebra
Quadratic equationsgraph below maps AA 13 15 20 21 23 O vertical reflection in the x axis horizontal stretch by a factor of 2 vertical stretch by a factor of 5 horizontal compression by a factor of O vertical compression by a factor of horizontal stretch by a factor of vertical stretch by a factor of 5 horizontal stretch by a factor of 2
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Algebra
Quadratic equationsb The graph of y h x is shown Draw the graph of y 2h x 1 8 6 T 2 a 7 21 2 6 8 X X 5
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Algebra
Quadratic equations5 4 For the equation y 8 2 complete the table and plot the ordered pairs on the graph X Y 4 to 2 3 y 72 64 56 48 40 32 24 16 8 1Q 8 2 14 2 1 0 2 3