In the circle, m
= 68° and m
= 74°. Find m
.
A. 34°
B. 37°
C. 71°
D. 142°
Answer: C
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Find the coordinates of the vertex and the direction of opening of each parabola.y = -(x + 7)2 - 9
A. (7, 9) opens downward B. (-7, 9) opens upward C. (-7, -9) opens downward D. (7, -9) opens upward
Determine if the following is a linear equation in one variable. If not, state why not.4x = 2 + 3y
A. It is a linear equation in one variable. B. It is not a linear equation in one variable because it is not an equation. C. It is not a linear equation in one variable because it is nonlinear. D. It is not a linear equation in one variable because it has more than one variable.
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.logcm + logcn
A. logc(
)
B. logc(m + n)
C. logc(mn)
D. logcm ? logcn
Decide whether the matrices are inverses of each other. (Check to see if their product is the identity matrix I.)
and 
A. Yes B. No