Solve by the method of your choice.x2 + 4x - 2 = 0
A. {
± 2}
B. {2 ± 
}
C. {4}
D. {-2 ± 
}
Answer: D
Mathematics
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Solve and check. Use the square root principle to eliminate the square.(2m - 3)2 = -81
A. 12, -6
B. 
C. 6, -12
D. 3, -6
Mathematics
Multiply. Write the answer in lowest terms.- 
? 
A. 
B. - 
C. - 
D. 
Mathematics
Solve the system. x + y + z = 2 x - y + 2z = -15x + y + z = -2
A. (-1, 2, 1) B. (1, 2, -1) C. (1, -1, 2) D. No solution
Mathematics
Fill in the blank with one of the words or phrases listed below.
A(n) 
can be written in the form ax + b < c, (or >, ?, ?).
A. linear equation in one variable B. numerical coefficient C. linear inequality in one variable D. percent
Mathematics