Factor the expression completely. If the polynomial is prime, state this as your answer.4x2 - 36xy + 81y2
A. (4x + y)(x + 81y)
B. (2x - 9y)2
C. (2x + 9y)2
D. (2x - 9y)(2x + 9y)
Answer: B
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Simplify the sum.(3x - 4y) + (-x + y)
A. 4x - 5y B. 2x - 5y C. 2x - 3y D. 4x - 3y
Construct a frequency distribution for the data using 5 classes.
Use the following information to answer question, 24 students in an engineering class were asked to record the number of hours spent in a lab during a week. The results are listed below. 3, 10, 21, 14, 8, 5, 1, 4, 13, 7, 9, 6, 11, 10, 6, 7, 12, 16, 1 , 7, 14, 1, 11, 8
The graphs of two functions f(x) and g(x) are given.Solve f(x) ? g(x).g(x)
f(x)
A. 1 ? x ? 4 B. x ? 2 or 1 ? x ? 4 C. -1 ? x ? 4 D. x ? -1 or 1 ? x ? 4
Solve the system of equations by the elimination method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. {(7, -3)} B. {(7, -4)} C. ? D. {(6, -3)}