Solve the quadratic equation by completing the square.x2 + 10x + 9 = 0
A. x = 1, x = 9
B. x = 18, x = -9
C. x = -1, x = -9
D. x = 
, x = 
Answer: C
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Which of the following is not the definition of dilation? ?
A. ?Dilation is a transformation from which a figure is increased or decreased in size with respect to a line of symmetry. B. ?Dilation is a transformation from which a figure is increased or decreased in size with respect to a fixed point. C. ?Dilation is a reflection at a vertical line, in which a figure is increased or decreased in size. D. ?Dilation is an increase in the size of the figure at a line of symmetry. E. ?None of the above.
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(0, 3)
A. constant B. decreasing C. increasing
Simplify the radical expression. If appropriate, include absolute values.
A. 
B. 
C. b + 4
D. 
+ 2
Find a and b.If -5 < x < 0, then a < 6x + 4 < b.
A. a = -24, b = -4 B. a = -4, b = -34 C. a = 4, b = -26 D. a = -26, b = 4