Express the function in the form f(x) = a(x - h)2 + k and indicate the vertex.f(x) = x2 + x - 8
A. f(x) = (x + 1)2 - 8
vertex: (-1, -8)
B. f(x) = (x -1)2 - 6
vertex: (1, -6)
C. f(x) = (x + 
)2 - 
vertex: 
D. f(x) = (x - 
)2 - 
vertex: 
Answer: C
Mathematics
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Simplify the rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression.
A. 
, x ? 10
B. 
, x ? -10
C. - 
, x ? -10, 10
D. - 
, x ? -10, 10
Mathematics
Find the slope of the line.y = -2
A. 0 B. -2 C. undefined D. 2
Mathematics
Find an equation for the conic. If the conic is a parabola, assume that the vertex is at the origin. If the conic is an ellipse or hyperbola, assume that it is centered at the origin.Vertex at (0, -4) and e = 2
A. 
+ 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Multiply.
2
A. s2 - 
s + 
B. s2 - 10s + 25
C. s2 - 
s + 
D. s2 - 
s + 
Mathematics