Perform the indicated operations and simplify.(4x - 7)(x - 6)
A. 4x2 - 31x + 42
B. 4x2 - 23x + 42
C. x2 - 31x - 23
D. x2 + 42x - 31
Answer: A
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Solve by any desired method. If there is no real number solution, say so.3x2 + 8x = -1
A. x = 
B. x = 
C. x = 
D. x = 
Factor the expression completely.15x2 - 65x - 50
A. (15x + 10)(x - 5) B. (3x + 2)(5x - 25) C. 5(3x + 2)(x - 5) D. 5(3x - 2)(x + 5)
Find the zeros of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = (x - 4)2(x2 - 25)
A. x = 4, touches the x-axis and turns around; x = 25, touches the x-axis and turns around B. x = -4, touches the x-axis and turns around; x = 25, crosses the x-axis C. x = 4, touches the x-axis and turns around; x = -5, touches the x-axis and turns around; x = 5, touches the x-axis and turns around D. x = 4, touches the x-axis and turns around; x = -5, crosses the x-axis; x = 5, crosses the x-axis
Find the set if the universal set U = {-8, -3, -1, 0, 2, 4, 5, 6, 7, 9}, A = {-8, -3, -1, 2, 5}, B = {-3, 2, 5, 7}, and C = {-1, 4, 9}.(A ? C)'
A. {-1} B. {-8, -3, 0, 2, 4, 5, 6, 7, 9} C. {-8, -3, -1, 2, 4, 5, 6, 7, 9} D. {-8, -3, -1, 2, 4, 5, 7, 9}