9. Which laws of exponents justify the quantity (b)3 = a b3 a. power of a power
c. power of a product
b. power of a monomial
d. quotient of a power
10. "8 more than thrice a number is 23" can be translated as
a. 8x + 3 = 23 b. 3x + 28 = 8 c.3(x+8)
d. 3x + 8 = 23
11. The perimeter of a rectangle is the sum of twice its length (x) and twice its (y). Which
sentence says this?
I.P = x + x + y + y
Hl. P = 2x + 2y
M. P = 2(x + y)
a. I only b. ll only
c. lll only
d. all of the above
12. what are the constant in 7ab2 + 3cd??
a. 2
b. 7 and 3
C. 10
d. 7,3 and 2
13. Which of the following is an algebraic sentence?
a. y - 7
b. X+8=5
c. m + 10
d. 84 + 2? + Ba? - a
14. How many terms does x3 + 2x²y - 2xy2 + 8 have?
a. 2
b. 3
c. 4
d.5
15. What is the value of the expression x2 + 3 when x=10
a. 23
b. 43
d. 103
16. The product of x and y is -32. If x is 4 what is y?
b.-9
a. -32
C.-8
d. 9
c. 100
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