Find the equation of the parabola with vertex at 
and focus at 
.
?
A. ?
B. ?
C. ?
D. 
E. ?
Answer: D
Mathematics
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Find any values of the variables that must be excluded.
A. z = 9 B. z = 0 C. z = -9 D. Defined for all real numbers
Mathematics
Solve the problem.If (a, 3) is a point on the graph of y = 2x - 5, what is a?
A. 1 B. -1 C. -4 D. 4
Mathematics
Identify f as being linear, quadratic, or neither. If f is quadratic, identify the leading coefficient.f(x) = 5 + 3x2
A. Linear B. Quadratic; 3 C. Quadratic; 5 D. Neither
Mathematics
Convert the units using unit fractions.6 wk = 
days
A. 360 B. 42 C. 84 D. 144
Mathematics