Factor the trinomial completely. If the polynomial cannot be factored, write "prime."4x3y3 - 4x3y2 - 80x3y
A. 4x3y(y - 4)(y + 5)
B. x3(4y2 + 16y)(y - 5)
C. 4x3y(y + 4)(y - 5)
D. prime
Answer: C
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Solve the inequality and graph the solution on the real number line.
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Write the sentences as a system of inequalities in two variables. Then graph the system.The sum of the x-variable and the y-variable is at most -4. The y-variable added to the product of 3 and the x-variable does not exceed 12.
A. x + y > -4
x + 3y > 12
B. x + y ? -4
x + 3y ? 12
C. x + y ? -4
3x + y ? 12
D. x + y ? -4
3x + y ? 12
The table below shows the scores of a group of students on a 10 point multiple choice placement test.
The first quartile on the test is
A. 5. B. 4.5. C. 4. D. 5.5. E. none of these
Evaluate the expression x - y for the given values of the variables.x = -14, y = -1
A. -15 B. 13 C. -13 D. 15