Solve by the quadratic formula. If there are no real roots, say so.3x2 + 12x = -7
A. x = 
B. x = 
C. x = 
D. x = 
Answer: B
Mathematics
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Solve using the percentage formula.3.1 is what percent of 4?
A. 75.5% B. 78.5% C. 82.5% D. 77.5%
Mathematics
Compute the gradient of the function at the given point.
A. -768i - 40j B. -384i - 40j C. -96i - 4j D. -96i - 40j
Mathematics
Solve the problem.Find the supplementary angle to ? = 7°.
A. 173° B. 187° C. 367° D. 83°
Mathematics
For 
(not shown), it follows that:
A. 
B. 
C. 
D. 
and 
are supplementary.
Mathematics