Math B Practice #1

Hello students. This is your review quiz covering what we went over during our last session. Some important notations are: x^3 means x to the third, or x-cubed. The symbol, / means over (as in a fraction) or divided by.

This is just a review of the material from last week. Relax, take your time, use your notes, if necessary. Just remember to complete and e-mail your honest score on this quiz to me no later than 3 p.m. on Friday.

Created by: Mr. Singh

1. What is the complete factored form of x^3 - x^2 - 20x
2. What is the complete factored form of the equation, 2x^3 - 16x + 24x?
3. How do you simply, 6x^2 - 14x / 2?
4. What is the sum of y + 4 / y^2 - 49 and 4 / y + 7?
5. What is the product of 2x^3 - 4x / x^2 - 16 and x + 4 / x - 4 in its simplest form?
6. What is the product of 3 + 2i and 2 - 4i in its simplest form?
7. What is the value of x^5/2 - x^3/2 when x = 4.
8. What is the solution set of |x + 4| > 12?
9. If the discriminant of an equation is 49, then the roots are:
10. What are the sum of the roots of the equation 3x^2 + 6x - 5?

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