Solve the equation using the quadratic formula.2x2 = -8x - 7
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Divide: 250 ÷ 0.125
A. 2000 B. 0.2 C. 200 D. 20
Mathematics
Write a quadratic equation having the given numbers as solutions.2i, -2i
A. x2 - 4ix + 4 = 0 B. x2 - 4 = 0 C. x2 + 4 = 0 D. x2 + 4i = 0
Mathematics
Perform the indicated operation.(-7) ? (3) ? (-2)
A. -35 B. 42 C. -42 D. 35
Mathematics
Write the given set in interval notation and graph the set on a number line.
A. 
B. 
C. 
D. 
Mathematics