Determine if the equations in the given pair are equivalent. Each equation has only one solution.-4x = -20 and x = -5

A. Equivalent
B. Not equivalent


Answer: B

Mathematics

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Choose the equation that matches the graph.

A. y2 = -8x B. x2 = -8y C. -8x2 = y D. x2 = 8y

Mathematics

Evaluate.Find (fg)(2) when f(x) = x - 5 and g(x) = -5x2 + 10x + 7.

A. -21 B. 49 C. -93 D. -91

Mathematics

Evaluate the expression with the given replacement values.4x2; x = 6

A. 144 B. 48 C. 576 D. 96

Mathematics

Find the first term and the common ratio for the geometric sequence. Round approximations to the nearest hundredth.a2 = 14, a6 = 224

A. a1 = 14, r = 2 B. a1 = 224, r = 0.5 C. a1 = 7, r = 0.5 D. a1 = 7, r = 2

Mathematics