Solve by completing the square.3x2 + 15x = - 18
A. x = - 3, x = - 2
B. x = 2, x = 3
C. x = - , x =
D. No real solution
Answer: A
Mathematics
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A. 5x + 2 B. 2x + 5 C. 2x - 5 D. 5x - 2
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Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log7.5 77
A. 2.16 B. 10.27 C. 1.89 D. 0.46
Mathematics
Find all real solutions. Do not use a calculator.x3 + 8x2 = x + 8
A. {±1, 8} B. {±1, -8} C. {1, -2, 10} D. {±1, -9}
Mathematics
Evaluate.- ?
A. -
B.
C.
D. -
Mathematics