Factor completely.-2w2 - 24w - 54
A. -(w - 9)(w - 3)
B. -(2w + 18)(w + 3)
C. -2(w + 9)(w + 3)
D. prime
Answer: C
Mathematics
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Solve the equation.7(x - 4) + 1 = 7x - 6
A. x = 3.0 B. x = 21 C. x = 1.5 D. The equation is a contradiction.
Mathematics
Multiply.-4 ? 18
A. -90 B. -72 C. 68 D. -68
Mathematics
Solve the inequality.-4(4x + 15) < -20x - 28
A. {
x < 8}
B. {
x < -20}
C. {
x > 8}
D. {
x > -20}
Mathematics
Find the solution set of the linear system. Identify inconsistent systems and dependent equations. For dependent equations, write your answer as an ordered triple in terms of z.
A. {(-2, -1, 9)} B. {(2, -1, 9)} C. {(2, -1, -9)} D. {(-2, -1, -9)}
Mathematics