Graph the parabola whose equation is given.f(x) = x2 - 1

A.

B.

C.

D.


Answer: C

Mathematics

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Which of the following closed shapes are not convex? ?

A.

?


B.

?


C.

?


D.

?


E.

?All shapes are convex.


Mathematics

Solve the inequality. Write the solution set in interval notation and graph it.2(x - 2) - 16x < 2(-6x - 9) - 3x

A. (-?, -14)

B. (-?, 14)

C. (14, ?)

D. (-14, ?)

Mathematics

Tell whether the triangles are similar or not similar.

A. Similar B. Not similar

Mathematics

Factor completely.2y4 - 50y2

A. 2y2(y - 5)2 B. 2(y2 - 5y)(y2 + 5y) C. 2y2(y - 5)(y + 5) D. y2(2y2 - 50)

Mathematics