Solve the proportion.
= 
A. 
B. 
C. {45}
D. {1628}
Answer: C
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Simplify.
3
A. 
B. 
C. 4
D. 41
Divide.(x2 - 144) ÷ (x + 12)
A. x2 - 12 B. x - 144 C. x + 144 D. x - 12
Calculate the average rate of change of the given function over the intervals 
, where 
, and 
middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_c9528990d6584de7bb08c7cdc" />. (It will be easier to do this if you first simplify the difference quotient (dq) as much as possible.)
Complete the table.
h
dq
4
0.4
0.04
0.004
0.0004
?
A. ?dq0.03130.56826.188162.4376624.9375?
B. ?dq-0.0625-0.6250-6.2500-62.5000-625.0000?
C. ?dq-0.0313-0.0568-0.0619-0.0624-0.0625?
D. ?dq-0.0313-0.0568-0.0619-0.06240.0000?
E. ?dq-0.0313-0.05680.00000.0000-0.0625?
Find the vertex of the parabola associated with the quadratic equation.y = (x - 7)2 - 8
A. (8, -7) B. (-7, 8) C. (7, -8) D. (-8, 7)