Solve the quadratic inequality. Write your answer in interval notation.x2 - 2x - 8 ? 0

A. [-2, 4]
B. [4, ?)
C. (-?, -2] ? [4, ?)
D. (-?, -2]


Answer: A

Mathematics

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Use a calculator to verify the value found by using the double-angle formulas.Find sin 118° directly and by using functions of 59°.

A. -0.982 B. 0.8572 C. 1.7144 D. 0.8829

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Solve the problem.A rectangular plot has area 126 yd2 with a perimeter of 46 yd. What is the length of the longest side?

A. 16 yd B. 14 yd C. 12 yd D. 13 yd

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Add the polynomials.(3z2 + 5z + 3) + (z3 + 3z - 7)

A. z3 + 3z2 + 8z + 4 B. 4z3 + 8z - 4 C. z3 + 3z2 + 8z - 4 D. 4z2 + 8z - 4

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Solve the equation. -  -  = 0

A. - 
B. 3
C. -3
D.

Mathematics