Find the vertex, the focus, and the directrix of the parabola.y2 + 4x - 8y + 8 = 0
A. V: (2, 4); F: (1, 4); D: x = 3
B. V: 
; F: 
; D: y = 
C. V: (0, 2); F: (-2, 2); D: y = -6
D. V: 
; F: (3, 2); D: y = 1
Answer: A
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Evaluate the exponential expression.
2
A. 
B. 
C. 
D. 
Solve the problem.The total cost of replacing the front door is $447.03. Write the cost of the door in words.
A. seven hundred forty-four dollars and three cents B. four hundred forty-seven dollars and three cents C. four hundred three dollars and forty cents D. four hundred and forty dollars and three cents
To dilute a medication you can use the following formula:
?
?
How many units of a 10% solution are needed to prepare 300 units of a 7% solution?
?
__________ units
Fill in the blank(s) with the appropriate word(s).
Divide using synthetic division.
A. 4x2 - 2x - 5
B. 
x2 + 
x - 
C. 4x2 x + 
- 5
D. -4x2 - 6x - 5