Factor the polynomial by removing any common monomial factor.2x3 + 6x
A. 2x(x2 + 4x)
B. 2x(x2 + 3x)
C. 2x2(x + 3)
D. 2x(x2 + 3)
Answer: D
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Solve the problem.A certain store has a fax machine available for use by its customers. The store charges $2.50 to send the first page and $0.70 for each subsequent page. Use an inequality to find the number of pages that can be faxed for $10.20.
A. 61 pages or fewer B. 15 pages or fewer C. 4 pages or fewer D. 12 pages or fewer
Solve and write interval notation for the solution set.|x| ? 3.8
A. (-?, -3.8) ? (3.8, ?) B. (-?, -3) ? (3, ?) C. (-?, -3.8] ? [3.8, ?) D. [-3.8, 3.8]
Solve the quadratic equation by factoring.16a2 - 36 = 0
A. a = or a = 0
B. a = or a = -
C. a = or a = -
D. a = 6 or a = 0
Write in scientific notation.35,000
A. 3.5 × 10-5 B. 3.5 × 104 C. 3.5 × 105 D. 3.5 × 10-4