Find the focus and the directrix of the parabola.y = x2 + 14x + 50
A. Focus: 
; directrix: y = 1
B. Focus: 
; directrix: y = 
C. Focus: 
; directrix: x = 1
D. Focus: (-7, 2); directrix: y = 0
Answer: B
Mathematics
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Perform the addition. Express your answer in simplest form.
+ 
A. 
B. 
C. 
D. 
Mathematics
Use the distributive property to rewrite the sum or difference as a product. Simplify the answer if possible.6a + 10a
A. -4a B. 30a C. 4a D. 16a
Mathematics
Solve the equation.
= 1 - 3y
A. 
B. - 
C. 
D. 
Mathematics
Factor completely.
A. 
B. 
C. 
D. 
E. 
Mathematics