Solve the equation.|x| + 6 = 1
A. {5}
B. {5, -5}
C. {-5}
D. no solution
Answer: D
Mathematics
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Determine the real solutions to the system of nonlinear equations.x2 + y2 + 6x + 8y - 11 = 0 x2 - y2 + 6x - 8y - 43 = 0
A. (-3, -2), (-3, 10) B. (-3, 2), (-3, -10) C. (3, -4), (-9, -4) D. (3, -4), (9, -4)
Mathematics
Find the product.(-5x + 1)(x - 8)
A. -5x2 - 8x + 41 B. -5x2 + 39x - 8 C. -5x2 + 41x + 41 D. -5x2 + 41x - 8
Mathematics
Change the logarithmic expression to an equivalent expression involving an exponent.log2 x = 3
A. 2x = 3 B. x3 = 2 C. 32 = x D. 23 = x
Mathematics
Solve the system for x and y using Cramer's rule. Assume a and b are nonzero constants.x + by = a2x + ay = b2
A. {(a2 + ab + b2, a + b)} B. {(a2 + 2ab + b2, -b - a)} C. {(a2 + ab + b2, -b - a)} D. {(a2 + 2ab + b2, b - a)}
Mathematics