Find the x-intercepts (if any) for the graph of the quadratic function.y + 4 = (x - 2)2
A. (0, 0) and (-4, 0)
B. (0, 0)
C. (0, 0) and (4, 0)
D. (-4, 0) and (4, 0)
Answer: C
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Find the real solutions of the equation by factoring.x3 + 6x2 - x - 6 = 0
A. {-6, 6} B. {1, -6, 6} C. {36} D. {-1, 1, -6}
Solve the problem.The function r(x) = x2 - 30x - 60 describes a company's monthly revenue and 
describes the monthly costs where x represents the number of units produced and then sold. Calculate the net profit or loss if x = 400. Is this value a profit or a loss?
A. Loss of $14,400 B. Profit of $159,080 C. Profit of $144,760 D. Profit of $144,720
Factor the expression. Express your answer so that only positive exponents occur. 11x2/7 - 4x-6/7
A. x1/3(11 - 4x2/1) B. x-6/7(11x8/7 - 4) C. x-6/7(11x8/7 - 4x) D. x2/7(11x8/7 - 4x2/1)
Evaluate the expression for the given replacement values. Write the answer in simplest form.x + y for x = 
, y = - 
A. 
B. - 
C. - 
D. 