Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by raising negative numbers to even powers.
+ 10
+ 8
A. -18
B. -27
C. -80
D. 80
Answer: D
Mathematics
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Provide an appropriate response.Graph the equations y = 2x + 1 and y = 2x + 3 on the same set of axes. These are parallel lines. Define parallel. How might one determine that these lines were parallel by examining the equations, but without actually graphing them?
What will be an ideal response?
Mathematics
Evaluate.52
A. -25 B. -10 C. 10 D. 25
Mathematics
Estimate the limit numerically.
?
?
A. 0
B. -4
C. diverges to 
D. 1
E. diverges to
Mathematics
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = -2, y = -5, z = 5; (-2, -5, 5) B. x = -5, y = -2, z = 5; (-5, -2, 5) C. x = -2, y = 5, z = -5; (-2, 5, -5) D. x = -5, y = 5, z = -2; (-5, 5, -2)
Mathematics