Factor out the greatest common factor.5x2 + 20x
A. 5x2(x + 4)
B. x(5x + 20)
C. 5x(x + 4)
D. 5x(x + 20)
Answer: C
Mathematics
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For the given function expressed verbally, give a symbolic representation.Surveyors use the "link" as a unit of measure. To convert x links to y inches, multiply x by 7.92. Let y = f(x).
A. f(x) = x + 7.92 B. f(x) = 7.92x C. f(x) = x/7.92 D. f(x) = 7.92/x
Mathematics
Tell which brand is the better buy.Brand A: 9 ounces for $5.31; Brand B: 12 ounces for $7.56
A. Brand A B. Brand B C. The brands are equal values. D. Not enough information is provided.
Mathematics
Solve by the square-root property.(x + 3)2 = 12
A. 2
- 3, 2
+ 3
B. -3 + 2
, -3 - 2
C. 2
, -2
D. -3 + 2
, -3 - 2
Mathematics
Find the eccentricity of the ellipse.x2 + 11y2 = 11
A. 
B. 
C. 
D. 
Mathematics