Find the cross-product and determine whether the proportion is true or false.
= 
A. 10 ? 40; false
B. 40 = 40; true
C. 2 ? 200; false
D. 20 = 20; true
Answer: D
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Use synthetic division to find the quotient and the remainder.6x5 - 5x4 + x - 4 is divided by x + 
A. 6x4 - 2x3 - x2 + 
x + 
; remainder - 
B. 6x4 - 8x3 + 5; remainder - 
C. 6x4 - 2x3 + x2 - 
x + 
; remainder - 
D. 6x4 - 8x3 + 4x2 - 2x + 2; remainder -5
Solve the equation using the quadratic formula.2x2 = -8x - 7
A. 
B. 
C. 
D. 
Explain how the graph of f can be obtained from the graph of y = 
or y = 
. f(x) = 
A. Shift the graph of y = 
to the left 20 units and downward 5 units.
B. Stretch the graph of y = 
vertically by a factor of 20, and shift to the left 5 units.
C. Shift the graph of y = 
to the right 5 units and upward 20 units.
D. Stretch the graph of y = 
vertically by a factor of 5, and shift to the left 20 units.
Answer the question.The table shows the number of pupils per teacher in selected states.
Which states have a figure greater than 16.7?
A. Alaska, Texas, Wyoming, Maine, Missouri B. Alaska, California, Idaho C. Idaho D. California, Idaho