Factor by grouping.8z2 + 6z - 9
A. (2z - 3)(4z + 3)
B. (2z + 3)(4z - 3)
C. (8z + 3)(z - 3)
D. Prime
Answer: B
Mathematics
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Fill in the blank with one of the words or phrases listed below.
A rational expression is undefined when the 
is 0.
A. denominator B. rational expression C. numerator D. complex fraction
Mathematics
Find the indicated roots.Cube roots of 8i
A. 2i, 
+ i, - 
+ i
B. -2i, - 
- i, 
- i
C. -2i, 
+ i, - 
+ i
D. 2i, 
- i, - 
- i
Mathematics
Identify the base and the exponent for the exponential expression.-142
A. Base: 2, exponent: 14 B. Base: 14, exponent: 2 C. Base: 2, exponent: -14 D. Base: -14, exponent: 2
Mathematics
Round the number as indicated.648,504 to the nearest ten thousand
A. 650,000 B. 648,000 C. 640,000 D. 700,000
Mathematics