Factor completely. If the polynomial cannot be factored, say it is prime.9x2 + 18x + 8
A. (3x - 2)(3x - 4)
B. (9x + 2)(x + 4)
C. prime
D. (3x + 2)(3x + 4)
Answer: D
Mathematics
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Write the satement in symbols. Let x represent the unknown number.Nine times a number, decreased by 29.
A. 9(x + 29) B. 9x + 29 C. 9x - 29 D. 9(x - 29)
Mathematics
Factor the trinomial.14 + 5x - x2
A. (2 + x)(7 - x) B. (x - 2)(x + 7) C. (2 - x)(7 - x) D. (2 - x)(7 + x)
Mathematics
Simplify the absolute value expression.-
A. does not exist B. -1 C. 1 D. 0
Mathematics
Solve the problem.In a school survey, students showed these preferences for instructional materials. Answer the question. 
About how many students would you expect to prefer radio in a school of 250 students?
A. About 5 students B. About 90 students C. About 45 students D. About 13 students
Mathematics