Solve the polynomial inequality.(x + 10)(x2 - 49) > 0

A. (-10, 7)
B. (-?, -7) ? (7, ?)
C. (-?, 7) ? (7, 10)
D. (-10, -7) ? (7, ?)


Answer: D

Mathematics

You might also like to view...

Find the x- and y-intercepts. If no x-intercepts exist, state so.y = -13x2 - 16x - 17

A. No x-intercepts, (0, -17)
B. , (0, -17)
C. , (0, 17)
D. No x-intercepts, (0, 17)

Mathematics

Find the eccentricity e of the ellipse.x2 + 4y2 = 36

A.
B.
C.
D.

Mathematics

Given the values of x and y, find an equation of variation in which y varies directly as x.y = 230, when x = 90

A. x = 140y B. x = 2.56y C. y = 2.56x D. y = 0.39x

Mathematics

The given triangles are similar. Find the unknown length n. Be sure to include units in the answer.

A. 32 in. B. 38 in. C. 40 in. D. 50 in.

Mathematics