Find the square.(r - t)2
A. r2 - 2rt - t2
B. r2 - rt + t2
C. r2 - 2rt + t2
D. r2 + 2rt + t2
Answer: C
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Simplify the rational expression.
A. 6z
B. 
C. 
D. 
Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(-4, -5), m = 2
A. y = 2x - 4 B. y = 2x - 3 C. y = 2x + 4 D. y = 2x + 3
What is the side opposite 
?
?
A. b B. a C. c
For the function f and number a, find the function that gives the slope of the secant line, s(x) = 
, for x ? a. Then describe the behavior of the function values as x approaches a. f(x) = 2x2 - 4; a = -1
A. s(x) = 2(x + 1) for x ? -1; as x ? -1, s(x) ? 0 B. s(x) = 2(x - 1) for x ? -1; as x ? -1, s(x) ? -8 C. s(x) = 2(x - 1) for x ? -1; as x ? -1, s(x) ? -4 D. s(x) = 2(x + 1) for x ? -1; as x ? -1, s(x) ? 2