Fill in the blank with one of the words or phrases listed below. 
A 
equation is one that can be written in the form ax2 + bx + c = 0 where a, b, and c are real numbers and a is not 0.
A. quadratic formula
B. quadratic
C. completing the square
D. discriminant
Answer: B
Mathematics
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Find the range of the given function. Express your answer in interval notation.f(x) = -2x2 + 12x - 23
A. [5, ?) B. (-?, -5] C. [-3, ?) D. (-?, -3]
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Use the formula for the perimeter of a rectangle, P = 2l + 2w.The perimeter of a rectangle is 32 centimeters. If the width is 7 centimeters, find the length.
A. 18 centimeters B. 8 centimeters C. 10 centimeters D. 9 centimeters
Mathematics
Find the quotient.
A. - 
B. -38
C. 28
D. -28
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Solve the equation.-7x + 3 - 5(x + 1) = 5x - 1
A. 
B. 
C. 
D. 
Mathematics