Jeopardy Review - Weebly · Jeopardy Review Name_____ Date_____ Period _____ 1. Kathleen is t years...
Transcript of Jeopardy Review - Weebly · Jeopardy Review Name_____ Date_____ Period _____ 1. Kathleen is t years...
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 � ?
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
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x
y
Hope Road
Library