Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = x2 - 8
A. (1, 0)
B. (0, 8)
C. (8, 0)
D. (0, -8)
Answer: D
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Solve the problem.Matthew has two different stocks. One of the stocks is worth twice as much per share as the other. He has 11 shares of the more valuable stock and 31 shares of the other stock. His total assets in stocks is 
How much is the less expensive stock per share?
A. $80 B. $42 C. $40 D. $47
Factor.18m4n - 21m2n + 12mn
A. 3mn(6m3 - 7m + 4) B. (3mn - 7m)(6m3 + 4) C. 6m3 - 7m + 4 D. 3m(6m3 - 7m + 4n)
Solve the problem.For the following table of data, a.Draw a scatterplot.b.Calculate the correlation coefficient.c.Calculate the least squares line and graph it on the scatterplot.d.Predict the y-value when x is 15.
?
A. a.
b. 0.965
c. Y = 0.45x - 5.53
d. 1.22
B. a.
b. -0.965
c. Y = -0.45x - 5.53
d. -12.28
C. a.
b. 0.965
c. Y = -0.45x + 5.53
d. -1.22
D. a.
b. -0.965
c. Y = -0.45x + 5.53
d. -1.22