Use the graph to find the vertex, the axis of symmetry, and the maximum or minimum value of the function.
A. (-1, -2); x = -1; minimum: 2
B. (-1, 2); x = -1; minimum: 2
C. (2, -1); x = 2; minimum: -1
D. (-2, 1); x = 2; minimum: -1
Answer: C
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Solve the system by the elimination method.6x - 9y = 230x - 45y = 8
A. {(5, 4)}
B. ?
C. {(2, 8)}
D. 
Use the quadratic formula to solve the quadratic equation.x2 = 9 - 4x
A. x = -2 ± 2
B. x = -1 ± 
C. x = -2 ± 
D. x = 2 + 
Factor the trinomial: 
a. 
b. 
c. 
d. 
Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero.f(x) = 4(x - 6)(x - 3)3
A. 6, multiplicity 1, crosses x-axis; 3, multiplicity 3, touches x-axis and turns around B. -6, multiplicity 1, touches x-axis; -3, multiplicity 3, touches x-axis and turns around C. -6, multiplicity 1, crosses x-axis; -3, multiplicity 3, crosses x-axis D. 6, multiplicity 1, crosses x-axis; 3, multiplicity 3, crosses x-axis