Find an equation for the ellipse.Foci at (±2, 0); x-intercepts are ±8
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
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Decide whether the pair of lines is parallel, perpendicular, or neither.y + 1 = -4x and 4y = 24x - 14
A. Parallel B. Perpendicular C. Neither
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 + 4x + 3
A. vertex (2, -1)
intercepts (1, 0), (3, 0), (0, 3)
B. vertex (-2, 1)
intercepts (-1, 0), (- 3, 0), (0, -3)
C. vertex (-2, -1)
intercepts (-1, 0), (- 3, 0), (0, 3)
D. vertex (2, 1)
intercepts (1, 0), (3, 0), (0, -3)
Factor the expression.15x2(x2 + 5)2 - 3x(3x3 + 1)(x2 + 5)
A. 3x(x2 + 5)(-3x3 + 5x2 + 24) B. 3x(x2 + 5)2(2x3 + 25x - 1) C. 3x(x2 + 5)(2x3 + 25x - 1) D. 3x(x2 + 5)(2x3 + 25x + 1)
Given the polynomial function f(x), find the rational zeros, then the other zeros (that is, solve the equation 
), and factor f(x) into linear factors.f(x) = 
x3 - 
x2 - 
x + 
A. 
, 
, 
; f(x) = 
B. 
, 
, 
; f(x) = 
C. 
, 
, 
; f(x) = 
D. 
, 
, 
; f(x) = 
