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

Mathematics

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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

Mathematics

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?

Mathematics

List the terms of the expression.-2a2 - 8a + 8

A. -2a2, -8a,  8 B. a2, -a C. a2, -a,  8 D. -2, -8,  8

Mathematics

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

Mathematics