Simplify the square root. Assume all variables represent positive real numbers.
A. 3
B. 9x4
C. 3x5
D. 3x4
Answer: D
Mathematics
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Solve the equation using a graphing calculator. Find solutions accurate to two decimal places.3x + 1 = 5x2
A. -0.94, 0.14 B. 0.46, 1.54 C. -0.24, 0.84 D. 0.86, 1.94
Mathematics
Evaluate.9x, when x = 4
A. 13 B. 36 C. 162 D. 27
Mathematics
Combine like terms when possible. 2x6 + 5x3 - 5x6
A. 2x15 B. 2x3 C. -3x6 + 5x3 D. cannot be simplified
Mathematics
Solve the inequality.x2 - 25 ? 0
A. (-?, -5] or [5, ?) B. [-25, 25] C. [-5, 5] D. (-?, -25] or [25, ?)
Mathematics