Solve by using the quadratic formula.4k2 - 35k - 9 = 0
A. -4, 9
B. 
, - 
C. - 
, 9
D. - 
, 4
Answer: C
Mathematics
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Add or subtract as indicated. Simplify the result whenever possible. Write any answer that contains an improper fraction as a mixed number.
- 
- 
A. 1
B. 1
C. 
D. 
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Factor completely.5x2 - 5x - 30
A. 5(x - 2)(x + 3) B. Prime C. 5(x + 2)(x - 3) D. (5x + 10)(x - 3)
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