Jeopardy Review - Weebly · Jeopardy Review Name_____ Date_____ Period _____ 1. Kathleen is t years...

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Jeopardy Review Name_____________________________ Date__________________ Period ___________ 1. Kathleen is t years old. Which expression represents Davids age if he is 4 times as old as Kathleen? A t – 4 B t + 4 C 4t D 4 t 2. If f(x) = 2(x – 3) + 4, what is f(-2)? 3. Solve the following equation for x: 3 2(4 ) x 4. Write an expression to represent the phrase seven less than three times a number. 5. The annual production of a farm crop is modeled by 1 4000 2 y x . If the model is changed to 4000 y x , the production will: A decrease at the same rate B increase at double the original rate C increase at ½ the original rate D decrease at double the original rate 6. Write an expression to represent the phrase two times the quantity four minus a number increased by the same number. 7. If 5 5 3 9 x x , what is the value of x? 8. If the profit function of a manufacturing plant is modeled by p= r - $10,000, where p is profit, r is revenue, and $10,000 represents a fixed expense. What happens to the graph of the function if the fixed expense is increased by $2,000? A The y- intercept becomes 12,000 B The y-intercept becomes -12,000 C The y-intercept becomes -8,000 D The slope becomes 2,000 9. Which of these is equivalent to 3( 1) 2( 3) ? x x x A -3 B -9 C 4x – 9 D 4x + 3 10. Simplify: 2x - 3xy + 7 + 2 (-x + y) -8xy 11. Solve the following equation for z: 10 2 3 z 12. How does the graph of 3 2 y x compare to the graph of 4 2 y x ?

Transcript of Jeopardy Review - Weebly · Jeopardy Review Name_____ Date_____ Period _____ 1. Kathleen is t years...

Page 1: Jeopardy Review - Weebly · Jeopardy Review Name_____ Date_____ Period _____ 1. Kathleen is t years old. Which expression represents David’s age if he is 4 times as old as Kathleen?

Jeopardy Review

Name_____________________________ Date__________________ Period ___________

1. Kathleen is t years old. Which expression represents

David’s age if he is 4 times as old as Kathleen?

A t – 4

B t + 4

C 4t

D 4t

2. If f(x) = 2(x – 3) + 4, what is f(-2)?

3. Solve the following equation for x: � �3 2(4 )x

4. Write an expression to represent the phrase “seven

less than three times a number”.

5. The annual production of a farm crop is modeled by

14000

2y x � . If the model is changed to

4000y x � , the production will:

A decrease at the same rate

B increase at double the original rate

C increase at � the original rate

D decrease at double the original rate

6. Write an expression to represent the phrase two

times the quantity four minus a number increased by

the same number.

7. If � �5 5 3 9x x , what is the value of x?

8. If the profit function of a manufacturing plant is

modeled by p= r - $10,000, where p is profit, r is

revenue, and $10,000 represents a fixed expense. What

happens to the graph of the function if the fixed

expense is increased by $2,000?

A The y- intercept becomes 12,000

B The y-intercept becomes -12,000

C The y-intercept becomes -8,000

D The slope becomes 2,000

9. Which of these is equivalent to

� � � �3( 1) 2( 3) ?x x x

A -3

B -9

C 4x – 9

D 4x + 3

10. Simplify:

2x - 3xy + 7 + 2 (-x + y) -8xy

11. Solve the following equation for z: �

102

3z

12. How does the graph of 3 2y x � compare to the

graph of 4 2y x � ?

Page 2: Jeopardy Review - Weebly · Jeopardy Review Name_____ Date_____ Period _____ 1. Kathleen is t years old. Which expression represents David’s age if he is 4 times as old as Kathleen?

13. Jill has a $30 gift certificate for a movie rental. Each

time she rents a movie, $6 is deducted from her gift

certificate balance. If m represents the number of

movies Jill rents, which of these expressions can be

used to determine her gift certificate balance?

A 30m – 6

B 30m + 6

C 30 + 6m

D 30 – 6m

14. Solve: � t � �6 17 5 (2 4 )x x

15. If the slope of the equation 2

43

y x� � is

changed to 23

and the y-intercept is changed to (0, 4),

which statement best describes this situation?

A The new line is perpendicular to the original line

B The new line is parallel to the original line

C The new line and the original line have the same y-

intercept

D The new line and the original line have the same x-

intercept

16. Jeb’s stereo is playing at a volume of 75 decibels.

If the decibel level reaches 120 decibels, the neighbors

will complain. Write and solve an inequality that models

q, the number of decibels Jeb can increase the volume

before the neighbors complain.

17. Solve for y: 2x + 4y = 17

18. Given the function 4.23 65.23y x � , which

statement best describes the effect of increasing the

y-intercept by 62.15?

A The new line is parallel to the original.

B The new line is has a greater rate of change.

C The x-intercept increases.

D The y-intercept decreases.

19. The map shows Hope Road and the construction

site for the new library. Find the equation of a “street” that passes through the building site and is parallel to

Hope Road.

20. To which of the following situations can the

function �( ) 5 10f x x be applied?

A The number of miles a person walks if he walks

for 5 hours at the rate of 10 miles per hour

B The total weight on a scale if 5 pounds is placed

there initially and a series of 10-pound weights

are added to it.

C The total wages earned by a waiter who is paid

$5 per hour and earns $10 in tips.

D The combined length of 5 boards, each 10 feet

longer than the width of a doorway.

0 1 2 3 4 5 6 7 8 9 10 110

1

2

3

4

5

6

7

8

9

10

x

y

Hope Road

Library