Find an equation of a parabola satisfying the given conditions.Focus (
, 0), directrix x = - 
A. x2 = 4
x
B. y2 = 20x
C. y2 = 4
x
D. y2 = 4
y
Answer: C
Mathematics
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Solve.
= 12 - x
A. 9
B. ±
C. -16, -9
D. ±7
Mathematics
Solve the problem.A deposit of $8000 is made in an account that earns 6% interest compounded quarterly. The balance in the account after n quarters is given by the sequencean = 8000
n n = 1, 2, 3, ... Find the balance in the account after 7 years.
A. $11,975.78 B. $12,217.78 C. $12,219.78 D. $12,137.78
Mathematics
Solve. Simplify the answer.Jeffrey has two packages. One weighs 4
ounces, and the other weighs 
of an ounce. What is the total weight of the two packages?
A. 6
oz
B. 1
oz
C. 1
oz
D. 4
oz
Mathematics
Name the set using the roster method.The set of whole numbers 4 through 7
A. {5, 6, 7} B. {5, 6} C. {4, 5, 6, 7} D. {4, 7}
Mathematics