Graph the parabola. State the vertex of the parabola.y = -x2 - 2x - 6

A. vertex (1, 5)

B. vertex (-1, -7)

C. vertex (-1, 5)

D. vertex (-1, -5)


Answer: D

Mathematics

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Multiply.(-9)(-16)

A. 1440 B. 153 C. -144 D. 144

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Solve the problem.The table represents a linear function. Find the slope and y-intercept of the line and use your answers to write an equation for f(x). 

A. f(x) = -4.5x + 1.6 B. f(x) = 4.5x - 1.6 C. f(x) = -1.6x + 4.5 D. f(x) = 1.6x + 4.5

Mathematics

Match the function f with its graph.f(x) = log1/2 (x)

A.

B.

C.

D.

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What point on the surface z is closest to the origin? ? ? Hint : Minimize the square of the distance from  to the origin. ?

A.
B.  and
C.
D.
E.  and

Mathematics