Solve the equation by completing the square.x2 = 7 - 4x
A. 2 + 
B. -2 ± 1
C. -1 ± 
D. -2 ± 
Answer: D
Mathematics
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Provide an appropriate response.Use a calculator to divide and reduce answers to lowest terms, converting improper fractions to whole or mixed numbers: 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The monthly sales volume y (in thousands of dollars) is related to monthly advertising expenditures x (in thousands of dollars) according to the equation 
Spending how much money on advertising will result in sales of at least $50,000 per month?
A. Between $5000 and $10,000 B. At least $5000 C. At least $7500 D. At least $10,000
Mathematics
Multiply by the appropriate value of 1 to build up the fraction to an equivalent fraction with the denominator shown. 
= 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.x-2 + 8x-1 = -11
A. 
B. 
C. 
D. 
Mathematics