Use factoring to solve the equation.x2 + 10x = -16
A. 2, 8
B. -2, -8
C. -2, 8
D. 2, -8
Answer: B
Mathematics
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Translate the equation into a sentence by using the phrase "varies directly" or "varies inversely". x = k
A. x varies inversely as the square root of h. B. h varies directly as the square root of x. C. x varies directly as the square of h. D. x varies directly as the square root of h.
Mathematics
Some primes are 1 more than a square. For example, 5 = 2 2 + 1. Can you find any other primes p so that p = n2 + 1? ?
A. 2, 5, 7, ... B. 3, 4, 17, ... C. 13, 17, 65,... D. 3, 7, 17,... E. 5, 17, 37, ...
Mathematics
Solve the system of equations. x - y + 3z = 5-4x + 4y - 12z = 1 x + 4y + z = 9
A. {(1, 0, 2)} B. ? C. {(0, 2, 1)} D. {(1, 2, 0)}
Mathematics
Write as a percent. 0.466
A. 0.466% B. 46.6% C. 0.0466% D. 466%
Mathematics