10. in simplifying (x3) (3x2), what will you do with the exponents?
A. copy
B. add
C. subtract
D. multiply
11. what is the product when 6x2 -5x-2 is multiplied by 2x-3?
A. 12x2—28x+11
B. 12x3 - 28x2+11x+6
C. 12x3 + 28x2-11x+6
D. 12x3 - 28x2+11x-6
12. what is the middle term of the product
(2x+3) and (3x+2)?
A. 9x
B. 6x²
C. 13x
D. 6
13. what is the remainder when 6x2-5x+5 is divided by 2x + 3?
A. 0
B. 26
C. 16
D. 29
14. Divide 28x2+36x-16 by 4. what is the quotient?
A. -7x+9x-4
B. 7x2-9x–4
C. 7x2+9x+4
D. 7x2+9x-4
15. The lengths of three logs are 3x + 5 meters, 4x-1 meters, and 2x + 9 meters. If all the lengths are doubled, what happens to the sum of their lengths in meters?
A. 18x2 + 13
B. 18x + 26
C. 18x -26
D. 18x + 30 39
16. The perimeter (P) of a rectangle is twice the sum of the length (I) and width (w). Express the formula of the perimeter of a rectangle in algebraic expression.
A. P= 21/2w
B. P=21(2w)
C. P= 21 + 2w
D.. P= 21-2w
17. What is the perimeter of a square whose one side is (3x2-7) units?
A. 3x4–28 units
B. 12x4 -28 units
C. 3x2 -28 units
D. 12x2 -28 units
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Answer:
10. B
11. D
12. C
13. B
14.D
15. B
16. B
17. D