Solve by completing the square to obtain exact solutions.x2 = 7 - 8x
A. -4 ± 2
B. -1 ± 
C. 4 + 
D. -4 ± 
Answer: D
Mathematics
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Simplify.
A. 42w2x3y2
B. 2w2x3y2
C. 2wx3y2
D. 2w2x3y2
Mathematics
Follow the order of operations to simplify the expression.
2
A. 
B. 
C. 
D. 
Mathematics
Use a graphing utility to graph the curve defined by the given parametric equations.x = 2t2, y = t + 2; -? < t < ?
A. 
B. 
C. 
D. 
Mathematics
Identify the numerator and the denominator of the fraction.
A. numerator: 
; denominator: 1
B. numerator: 7; denominator: 1
C. numerator: 5; denominator: 2
D. numerator: 2; denominator: 5
Mathematics