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Math 1 Review
Test Description: Math 1 Review Game
Instructions: Answer all questions to get your test result.
1) Which expression is equivalent to t^2 + 36? (t^2 = t to the second power)
A
(t - 12) (t - 3)
B
(t - 6) (t - 6)
C
(t - 12) (t + 3)
D
(t + 6) (t - 6)
2) What is the minimum of y=4x^2-8x+7? (4x^2 = 4 times x to the second power)
A
(1, 3)
B
(-1, -3)
C
(3, 1)
D
(-3, -1)
3) The function f(t)=-5t^2 + 20t + 60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit the ground?
A
7
B
5
C
4
D
6
4) Suppose the function f(x) = 2x + 12 represents the cost to rent x movies a month from an internet movie club. Sarah now has $10. How many more dollars does Sarah need to rent 7 movies next month?
A
6
B
12
C
10
D
16
5) Solve for m in the equation E = mc^2
A
m = c^2/E
B
m = Ec^2
C
m = E/c^2
D
m = E - c^2
6) Suppose the equation V = 20.8x^2 - 458.3x + 3500 represents the value of a car from 1964 to 2002. What year did the care have the least value? (x = 0 in 1964)
A
1980
B
1975
C
1965
D
1970
7) Cell phone Company Y charges a $10 start-up fee plus $0.10 per minute, x. Cell phone Company Z charges $0.20 per minute, x, with no start up fee. Which function represents the difference in the cost between Company Y and Company Z?
A
f(x) = -0.10x + 10
B
f(x) = 10x + 0.10
C
f(x) = 10x - 0.10
D
f(x) = -0.10x - 10
8) Solve the system. y=5x + 5 and y=15x - 1
A
(8, 3/5)
B
(3/5, 8)
C
(-3/5, -8)
D
(-3/5, 8)
9) Find the solution to the system. y=3/2x and 6x - 4y=1
A
(3/2, 1)
B
No Solution
C
(0, 0)
D
Infinite Solutions
10) Suppose a video store charges nonmember $4 to rent each video. A store membership costs $21 and members pay only $2.50 to rent each video. For what number of videos is the cost the same?
A
14
B
12
C
11
D
13
*select an answer for all questions
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