Multiply.(-4x - 5)(-5x - 6)

A. 20x2 + 49x + 49
B. -9x2 + 49x + 30
C. 20x2 + 49x + 30
D. -9x2 + 49x + 49


Answer: C

Mathematics

You might also like to view...

Use a graphing calculator or computer to determine which of the given viewing windows displays the most appropriate graph of the specified function.f(x) = 2 cos 60x

A. [-1, 1] by [-4, 4] B. [-10, 10] by [-10, 10] C. [-0.2, 0.2] by [-1, 1] D. [-0.2, 0.2] by [-4, 4]

Mathematics

Write the set as indicated.List the counting numbers that are multiples of 5.

A. {5, 10, 15, . . .} B. ? C. {0, 5, 10, 15, . . .} D. {10, 15, 20, . . .}

Mathematics

Consider the sets







Which of the sets are equivalent?

What will be an ideal response?

Mathematics

Match the graph to one of the listed functions.   

A. f(x) = x2 - 2 B. f(x) = x2 - 2x C. f(x) = -x2 - 2 D. f(x) = -x2 - 2x

Mathematics