Factor completely. If the polynomial cannot be factored, write "prime."yz3 + 216y
A. y(z + 6)(z2 - 6z + 36)
B. y(z + 6)(z2 + 36)
C. (yz + 6)(z2 - 6z + 36y)
D. y(z - 6)(z2 + 6z + 36)
Answer: A
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Find the vertices and foci of the ellipse.64x2 + 25y2 = 1600
A. Vertices: (0, ±5); Foci: (0, ±
)
B. Vertices: (±8, 0); Foci: (±
, 0)
C. Vertices: (±5, 0); Foci: (±
, 0)
D. Vertices: (0, ±8); Foci: (0, ±
)
Evaluate the expression.
3
A. 
B. 3
C. 
D. 
Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.y = 7
A. y-intercept: (0, 7), m: 0
B. y-intercept: (0, 0), m: 7
C. y-intercept: (0, 0), m: 
D. y-intercept: (7, 0), m: undefined
If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions.9x + 5y = -584x - 2y = -30
A. (-7, 1) B. (7, 2) C. (-8, 2) D. (1, -7)