Solve the equation.
= 
A. 
B. {2}
C. 
D. {20}
Answer: B
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List all the elements of B that belong to the specified set.B = 
Integers
A. 4, 0, 
B. 4, 0
C. 4, -2, 0
D. 4, -2, 0, 
Find approximate solutions of the equation.4x2 + 6x = 1
A. 0.15 or -1.65 B. -0.19 or -1.31 C. 1.65 or -0.15 D. 0.3 or -3.3
Solve the problem.A pendulum bob swings through an arc 40 inches long on its first swing. Each swing thereafter, it swings only 90% as far as on the previous swing. How far will it swing altogether before coming to a complete stop? Round to the nearest inch when necessary.
A. 200 in. B. 44 in. C. 89 in. D. 400 in.
Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.x2 + 18x = 0
A. Square root principle or factoring; -1, -18
B. Square root principle; 18, 0
C. Factoring; -18, 0
D. Quadratic formula; -18 ± 