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