Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 - 4x
A. (-4, 2); x = -4
B. (2, -4); x = 2
C. (-2, 4); x = -2
D. (4, -2); x = 4
Answer: B
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Use an algebraic approach to solve the problem:Suppose that the width of a certain rectangle is 2 inch more than one-fourth of its length. The perimeter of the rectangle is 24 inches. Find the length and width of the rectangle.
A. 5 inches wide, 7 inches long B. 2 inches wide, 10 inches long C. 3 inches wide, 9 inches long D. 4 inches wide, 8 inches long E. 7 inches wide, 5 inches long
Provide an appropriate response.If 
= 1, find 
.
A. 1 B. 0 C. 2 D. Does not exist
Identify the vertex of the given parabola.f(x) = (x + 3)2 + 3
A. (-3, -3) B. (3, 0) C. (0, 3) D. (-3, 3)
Solve the system of equations. If the system is dependent, express solutions in terms of the parameter z.-7x + 2y - 6z = 15-4x + y - 6z = 10
A. 
B. 
C. 
D. 