Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 + 12x +
A. 0; 
2
B. 36; 
2
C. 144; 
2
D. 36; 
2
Answer: B
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Graph the pair of parametric equations with the aid of a graphing calculator.x = cos 4t, y = sin 3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Solve the problem.Find the volume of the solid bounded by the hyperboloid of one sheet 
and the planes 
and 
(The area of an ellipse with semiaxes a and b is ?ab.)
A. 37.33? units3 B. 42.67? units3 C. 21.33? units3 D. 341.33? units3
Use a grapher to find the vertex or x-intercepts, as indicated, of the quadratic function.Find the vertex of the function f(x) = x2 + x - 5.
A. (-0.5, -5) B. (-0.5, -5.25) C. (0.5, -5.25) D. (0.5, -4.75)
Use the fundamental identities to find the value of the trigonometric function.Find sin ?, given that cos ? = 
and ? is in quadrant IV.
A. - 
B. - 
C. -3
D. - 