Factor completely. If the polynomial cannot be factored, say it is prime.10x4 - 17x2 - 20
A. (10x2 - 5)(x2 + 4)
B. (2x2 - 5)(5x2 + 4)
C. (5x - 4)(2x + 5)
D. (2x2 + 1)(5x2 - 20)
Answer: B
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Find the value for the function.Find f(-x) when f(x) = 2x2 + 5x - 3.
A. -2x2 - 5x + 3 B. -2x2 - 5x - 3 C. 2x2 - 5x + 3 D. 2x2 - 5x - 3
Use the graph of the function to find the following: a. the domain and range of the function; b. the intercepts, if any; c. the intervals on which the function is increasing, decreasing, or is constant; d. whether the function is even, odd, or neither.
What will be an ideal response?
List the terms of the expression.-2a2 - 8a + 8
A. -2a2, -8a, 8 B. a2, -a C. a2, -a, 8 D. -2, -8, 8
Find a parametric equation for the parabola described.Vertex at (1, -2); directrix x = 5
A. x = 
t2 + 1, y = t - 2
B. y = - 
t2 + 2, x = t - 1
C. x = - 
t2 - 1, y = t + 2
D. x = - 
t2 + 1, y = t - 2