Add or subtract as indicated. If terms are not like radicals and cannot be combined, so state. Assume all variables represent nonnegative real numbers.-10
+ 6
A. 3
B. -16
C. -4
D. 17
Answer: C
Mathematics
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Expand and simplify the given expression by use of Pascal's triangle.(-2x - 1)5
A. 32x5 + 80x4 + 80x3 + 40x2 + 10x + 1 B. -32x5 + 80x4 - 80x3 + 40x2 - 10x + 1 C. -32x5 - 80x4 + 80x3 - 40x2 + 10x - 1 D. -32x5 - 80x4 - 80x3 - 40x2 - 10x - 1
Mathematics
Solve the system by the elimination method. x - 7y = -2-5x - 6y = 10
A. {(-1, -2)} B. {(-2, 0)} C. {(-1, -1)} D. ?
Mathematics
Solve the polynomial inequality. Express the solution using interval notation.(x - 7)(x + 6) > 0
A. (-?, -6) ? (7, ?) B. (-6, 7) C. (-?, -7) ? (6, ?) D. (-6, ?)
Mathematics
For the compound inequality, give the solution set in both interval and graph forms.x - 1 > 1 or x + 2 < 1
A. (-?, 2)
B. (-?, 1) ? (2, ?)
C. (-1, ?)
D. (-?, -1) ? (2, ?)
Mathematics