Quadratic equations Questions and Answers

3 Graph the following function y 2X 20X 50 in the interval from X 0 to X 15

Solve the proportion equation 2 ft 9 in 4 ft 7 in X cm 2 4 cm X

4 15 pts For some linear model we are given the following information The slope of the equation is 9 and it intersects at a point 5 3 Using our equation for solving slopes determine if the points exist on this same line a 3 8 b 3 15 c 7 21 d 4 6 asing 2 1 bns S F b 5 Extra Credit Out of the classes you are taking this semester what would you say is your favorite class and why is it mine just kidding but not really 20 bris 2

3 20 pts Solve for the slope of each of the data points If the slope doesn t exist write NA a 2 4 and 2 10 b 3 9 and 2 3 c 3 2 and 3 2 you see Include o might notice d 1 2 and 1 5 8A b y ai ysa uoy bluow farw eteemea airti grilst ens uoy seaaslo er to tuo libe10 six S ylisen ton Jud pribbix tau Tenim Ji al vriw bris easio ethovet

29 Rotating Wheels The rotation of the smaller wheel in the figure causes the larger wheel to rotate Through how many degrees does the larger wheel rotate if the smaller one rotates through 60 0 5 23 cm 8 16 cm

Use the graph of H shown to the right to find the limit When necessary state that the limit does not exist lim H X x 6 CLIED Select the correct choice below and if necessary fill in the answer box to complete your choice OA lim H x Type an Integer or a simplified fraction OB The limit does not exist

The volume of this triangular prism is 3 420 cubic meters What is the value of m 19 m m 20 m meters m

Construct a consistent system of equations with a unique solution whose first equation is 0 5x1 0 3x2x3 0 8

Marco purchased a large can of chili that has a diameter of 18 cm and a height of 23 cm Determine the volume of the chili in the can in the following units a liters b fluid ounces Click the icon to view a set of conversion tables a The volume of the chili in the can is liters Type an integer or a decimal Round to three decimal places as needed

Rewrite the ratio so that the units in the numerator and the denominator are the same Use values in terms of the smaller measurement unit Then write the ratio in fraction notation expressing the fraction in simplest form 44 hours 4 days Write the ratio with the smaller measurement unit 44 hours 4 days Do not simplify JOT I C

Explain how to use the rate 5 ounces Choose the correct answer below to write a unit rate O A Multiply the numerator and the denominator by the quantity in the numerator B Divide the numerator and the denominator by the quantity in the denominator C Multiply the numerator and the denominator by the quantity in the denominator D Divide the numerator and the denominator by the quantity in the numerator

20 21 Part 1 Evaluate G 1 20 1 point Part 2 Evaluate G 2 40 1 point Part 3 Calculate G 1 G 2 4 G 1 10

If f x int 3x find a f 3 9 b f 2 3 c f 1 4 a f 3 9 11 Simplify your answer b f 2 3 6 Simplify your answer c f 1 4 9 Simplify your answer

A box has 11 candies in it 3 are butterscotch 2 are taffy and 6 are peppermint Each candy falls into only one of these categories Linda wants to select two candies to eat for dessert The first candy will be selected at random and then the second candy will be selected at random from the remaining candies What is the probability that the first candy selected is butterscotch and the second candy is taffy Do not round your intermediate computations Round your final answer to three decimal places E G

Of the people who fished at Clearwater Park today 36 had a fishing license and 4 did not Of the people who fished at Mountain View Park today 27 had a license and 3 did not No one fished at both parks Suppose that one fisher from each park is chosen at random What is the probability that the fisher chosen from Clearwater had a license and the fisher chosen from Mountain View did not have a license Do not round your answer O

f f x int 3x find a f 3 9 b f 2 3 c f 1 4 30 Simplif

ind the average rate of change of f x x 9x 3 over the following intervals a From 5 to 4 b From 3 to 5 c From 5 to 6 The average rate of change from 5 to G

Reciprocal function Square root function Cube root function Cube function Square function Constant function Identity function Absolute value function Drag the function to the appropriate area below

Complete the sentence below The function f x x is decreasing on the interval

8 Darryl can wax a floor in 10 minutes Asanji can wax the same floor in 15 minutes How long would it take them if they worked together A 6 19 minutes C 5 41 minutes B 7 14 minutes D 6 minutes 9 9 Working together Norachai and Scott can sweep a porch in 7 24 minutes Had he done it alone it would have taken Scott 14 minutes Find how long it would take Norachai to do it alone A 16 42 minutes C 14 58 minutes B 14 99 minutes D 11 45 minutes D

An acid solution was made by mixing I gal of a 30 acid solution and 9 gal of al 20 acid solution What is the concentration of the mixture A 25 C 18 B 20 D 21

1 06 02 HC Let 135 Part A Determine tan using the sum formula Show all necessary work in the calculation 5 points Part B Determine cos using the difference formula Show all necessary work in the calculation 5 points AA AFE E OD BU Font Family I

3 06 06 HC The difference in length of a spring on a pogo stick from its non compressed length when a teenager is jumping on it after 8 seconds can be described by the function f 6 2c0s8 5 Part A Determine all values where the pogo stick s spring will be equal to its non compressed length 5 points Part B If the angle was doubled that is became 28 what are the solutions in the interval 0 2n How do these compare to the original function 5 points Part C A toddler is jumping on another pogo stick whose length of their spring can be represented by the function o 0 1 sin 5 At what times are the springs from the original pogo stick and the toddler s pogo stick lengths equal 5 points BU Font Family AA A OFE

What are the key features of the function below 2 A 2 lo Positive Intervals X Negative Interval and Type your answer in interval notation without spaces use inf for infinity For example 2 inf Type your answer in internotation without spaces use inf for infinity For example 2 inf

What are the key features of the function below Domain Range X Intercepts Y Intercept 2 JO ty X 4 Type your answer in interval notation without spaces use inf for infinity For example 2 inf Type your answer in interval notation without paces use inf for infinity For example 2 inf Type your answers as coordinate points without spaces from left to ri Type your answer as a coordinate point without spaces For example 17 6

Question 1 Imagine reflecting triangle ABC across line MN Then answer the questions about the reflected figure B Part A N

Match the graph with the correct name and parent function A E B Rational f x F Absolute Value f x x 1 X C G Choose Choose Quadratic f x x Choose Radical Square Root f x x Choose Linear Identity f x x Logarithmic f x log x Exponential f x 10 Cubic f x x Choose Choose Choose Choose D H f Thy

a Identify the domain and range of the relation b Use the vertical line test to determine if the relation is a function Explain your answer c Is the relation discrete or continuous Give a reason for your answer 2 a Identify the domain and range of the relation Write using inequalities b Use the vertical line test to determine if the relation is a function Explain your answer 2

How many more students voted for baseball and basketball than football 20 Favorite Sports 50 45 40 668888568 35 30 25 20

What are the solutions of the following equat 7x 2 7 2 x2 2 Choose 1 answer A D 2 4 0 17 2 HRIN or a 3 49 Only 2 or a WIN 2 3 or a NIW 3 2 2 7 There are no solutions

10 answer to two digits 1 of apples one it hours n to do it hours hours 10 Working alone Darryl can tar a roof in 10 hours One day his friend Chelsea helped him and it only took 6 hours Find how long it would take Chelsea to do it alone A 11 77 hours B 15 5 hours C 16 06 hours D 15 hours

The capacity of an elevator is either 20 children or 15 adults If 10 children are currently in the elevator how many adults can still get in adults can still get in the elevator

Which graph represents the inequality x 2 41 2 2 2 2 2 1 1 3 3

Which system of inequalities is represented by the graph Jy 1 ly x 0 y 1 ly x 0 Jy 1 ly x 0 Jy 1 y x 0 5 5 4 3 2 4 1 2 3 4 5

Which graph represents the inequality y 1 3x O 2 1 1 2 2 4 4 x 2 2 2 2 4 4 E

Question 2 of 9 Step 1 of 1 Find the standard form of the equation for the circle with the following properties 10 7 Answer Center 10 3 15 Correct and tangent to the x axis

Determine whether 30 is rational irrational or not a real number Evaluate the radical if it is rational If the radical is irrational approximate the radical rounded to two decima places Is 30 rational irrational or not a real number O not a real number O rational irrational Select the correct choice below and if necessary fill in the answer box to complete your choice OA 30 Type an integer or decimal rounded to two decimal places as needed OB The radical is not a real number Sa

Step by Step Solution Step 1 Write the radicand as the product of factors one of which is a perfect square 50 25 2 Step 2 Write the radical as the product of two or more radicals 25 2 25 2 Type an exact answer using radicals as needed Step 3 Take the square root of any perfect square 25 2 2

py 50 Step by Step Solution Step 1 Write the radicand as the product of factors one of which is a perfect square 50 25 S

Simplify the following expression 2x 3 x 1 6x 7 2x 3 x 1 6x 7

8x 5 0 Select the correct choice below and fill in any answer box OA The solution is Type integers or simplified fractions OB There is no solution

Factor by grouping 2 15x 10xy 12xy 8y OA 5x 4y 3x 2y O B y 5x 4 3x 2 O C 5x 4y 3x 2y OD y 5x 4 3x 2

Name the irrational numbers Select one or more a 5 b 6 32 c 12 81 51 2 O d e O f 27 O g Oh 7 50 2 32323232

What is a characteristic of Grendel that is mentioned in the story OA He cannot be seen in the dark B He has the power to read people s minds C He has strength that no human can conquer D He is immune to the power of man made weapons

The accompanying bar graph shows the resident population and the land area of a particular country for selected years from 1800 through 2019 Use the information to find the population density of a certain country to the nearest tenth expressed in people per square kilometer in 1900 Click here to view the bar graph The population density in 1900 was approximately Round to the nearest tenth as needed OKEERI people per kilometer people per kilometer people per square kilometer 1 in2 1 ft 1 yd 1 mi 1 acre 6 5 cm 2 0 09 m 0 8 m 2 6 km Save 0 4 hectare ha

Perform the indicated operations 6x 7 5x 8x 3 x 1 6x 7 5x 8x 3 x 1 Simplify your answer Type your answer in standard form

Subtract the following polynomials 8 7y 4y 7 5y 2y 8 7y 4y 7 5y 2y Simplify your answer Type your answer in standard for

btract the following polynomials 5t 8t 3 9 21 Simplify your answer Type your answer in standar

erform the indicated operation 8xy 7 6xy 5 8xy 7 6xy 5 Type your answer in standarc

Evaluate the polynomial st 3s t 5st 4 for s 2 and t 4 st 3s t 5st 14