Find the x-intercepts.y = x2 - 7x - 8
A. (0, 8) and (0, -1)
B. (-8, 0) and (1, 0)
C. (8, 0) and (-1, 0)
D. (8, 0) and (0, -1)
Answer: C
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Solve the problem.Evaluate 
at t = 2? for the function w = x2 - y2 - 9x; x = cost, y = sin t.
A. -11 B. -13 C. 0 D. -7
Identify the type of graph.10x2 + 100x + 10y2 - 220y = -1459
A. The graph is a circle with center (5, -11). B. The graph is a circle with center (-5, 11). C. The graph is the point (-5, 11). D. The equation has no graph.
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places. 
A. 
? 2.736
B. 
? 1.654
C. 
? 1.286
D. 
? 7.483
Find all real zeros of the polynomial 
and determine the multiplicity of each.
a. x = 0, multiplicity 2; x = -7, multiplicity 1; x = -1 multiplicity 1 b. x = 7, multiplicity 2; x = -1, multiplicity 2 c. x = 0, multiplicity 2; x = 7, multiplicity 1; x = -1 multiplicity 1 d. x = -7, multiplicity 2; x = 1, multiplicity 2 e. x = 0, multiplicity 1; x = 7, multiplicity 1; x = -7 multiplicity ; x = 1 multiplicity