Solve by completing the square.x2 = 7 - 4x

A. -2 ± 2
B. -1 ± 
C. -2 ± 
D. 2 + 


Answer: C

Mathematics

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Add or subtract. Simplify your answer to lowest terms. + 

A.
B.
C.
D.

Mathematics

Find the slope and y-intercept of the line.x + y = -5

A. slope = 0; y-intercept = -5 B. slope = -1; y-intercept = -5 C. slope = 1; y-intercept = -5 D. slope = -1; y-intercept = 5

Mathematics

The vector  gives the number of units of two models of laptops produced by a company. The vector  gives the prices (in dollars) of the two models of laptops, respectively.

Identify the vector operation used to increase revenue by 6%.

A. ?1.06(u + v)
B. 1.06
C.
D. 1.06
E. 1.06

Mathematics

Provide an appropriate response.When any nonzero number is divided by 0, the result is .

A. 0 B. impossible to compute C. the nonzero number D. 1

Mathematics