Solve the quadratic equation.x(x - 1) = 20

A. {-4, 5}
B. {-5, -4}
C. {4, 5}
D. {1, 20}


Answer: A

Mathematics

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Solve the problem.The number of students in a school in year n is estimated by the model. About how many students are in the school in each of the first three years?

A. 109, 132, 170 B. 104, 132, 155 C. 104, 132, 170 D. 117, 145, 183

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Divide.2.25 ÷ (-3)

A. -0.75 B. -17.5 C. -7.5 D. -1.75

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Use the product rule to simplify.

A. 3
B. 2
C. 6
D. 5

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Write the statement using absolute value notation.The distance between y and -2 is less than or equal to 6.

A.  ? 6
B.  ? 6
C.  ? 6
D.  < 6

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