Solve the equation.|x| = 4
A. {4}
B. {16}
C. {-4, 4}
D. {-4}
Answer: C
Mathematics
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Factor the perfect square trinomial.x2 - 6x + 9
A. (x - 3)2 B. (x + 3)2 C. (x - 6)(x + 6) D. (x - 3)(x + 3)
Mathematics
Factor out the GCF from the polynomial. If the GCF is 1, write prime.a7 - 19a5
A. a5(a2 - 19) B. a(a6 - 19a4) C. a5(a2 + 19) D. a2(a5 - 19)
Mathematics
Solve the equation.x - 
= 3 - 
A. -4, -2 B. -4, 2 C. -2, 4 D. 2, 4
Mathematics
Solve the problem.A quality-control inspector examined 260 calculators and found 6 of them to be defective. At this rate, how many defective calculators will there be in a batch of 7020 calculators?
A. 27 B. 1560 C. 162 D. 5
Mathematics