Perform the indicated operation. Simplify if possible.
- 
A. 0
B. 36
C. 3x
D. 6
Answer: D
Mathematics
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Use the absolute value to express the distance between the points with coordinates a and b on the number line. Then determine this distance by evaluating the absolute value expression.a = -6 and b = 14
A. = 8
B. = -8
C. = 20
D. = -20
Mathematics
Divide and simplify.
A. 5x4y7 B. -20x4y7 C. 5x2y7 D. -5x4y6
Mathematics
Factor completely. If the polynomial is prime, say so.25x2 - 16
A. (5x - 4)2 B. Prime C. (5x + 4)(5x - 4) D. (5x + 4)2
Mathematics
Find the eccentricity e of the ellipse.x2 + 2y2 = 6
A.
B.
C.
D.
Mathematics