Find an equation for the indicated ellipse.Foci (0, ±2) and vertices (0, ±4)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
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Perform the indicated operation and simplify. 
+ 
A. 1
B. 
C. 
D. 
Factor the trinomial completely.4x3 - 32x2 + 60x
A. x(4x - 20)(x - 3) B. x(x - 5)(4x - 12) C. 4(x2 - 5x)(x - 3) D. 4x(x - 5)(x - 3)
Write the quadratic function in vertex form.y = x2 + 4x + 7
A. y = (x - 2)2 + 3 B. y = (x + 2)2 + 3 C. y = (x + 2)2 - 3 D. y = (x - 2)2 - 3
Provide an appropriate response.Suppose that you are solving a system of three linear equations by the Gauss-Jordan method and obtain the following augmented matrix. 
What conclusion can you draw about the solutions of the system?
A. The system has exactly one solution. B. The system has no solutions. C. The system has infinitely many solutions. D. There is not enough information to draw any conclusion about the solutions of the system.