Find the root.
A. Not real number
B. 31
C. 100
D. 10
Answer: D
Mathematics
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Solve.
= 1 + 
A. {-20, 10} B. {-8, 10} C. {8, -10} D. ?
Mathematics
Factor out the greatest common factor. Be sure that the coefficient of the term of highest degree is positive.-5x2 - 35x + 15
A. -5x(x2 + 7x - 3) B. -5(x2 + 7x - 3) C. 5(x2 - 7x + 3) D. -5(x2 - 7x + 3)
Mathematics
Solve.In a practice run, a race car driver's speed is clocked at 141.535 mph at the end of his first lap, and at 164.382 mph at the end of the next lap. How much faster was he driving at the end of the second lap?
A. 22.857 mph B. 23.847 mph C. 22.747 mph D. 22.847 mph
Mathematics
Multiply.(5x + 7)2
A. 25x2 + 70x + 49 B. 5x2 + 49 C. 5x2 + 70x + 49 D. 25x2 + 49
Mathematics