Solve the equation.
a = 0
A. 1
B. 0
C. -25
D. 25
Answer: B
Mathematics
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Find the value of each square root by use of a calculator. Each number is approximate.
A. 0.57 B. 0.5700 C. 0.570 D. 0.1048
Mathematics
Fill in the blank with one of the words or phrases listed below.
The 
of a nonnegative number a is written as 
.
A. imaginary unit B. principal square root C. cube root D. distance
Mathematics
Find the opposite of the expression.-5x2 + 2x + 16
A. 5x2 - 2x - 16 B. 5x2 - 2x + 16 C. -5x2 + 2x + 16 D. -5x2 - 2x - 16
Mathematics
Add or subtract as indicated. Express the answer as a single polynomial in standard form.-3(x2 + 6x + 1) + (-5x2 - x + 1)
A. -8x2 - 19x - 2 B. 2x2 - 19x - 2 C. -8x2 - 19x + 2 D. -8x2 - 18x - 2
Mathematics