Solve the equation by completing the square.-x2 + 2x = -6
A. {1 + 
, 1 - 
}
B. {-1 + 
, -1 - 
}
C. {1, 7}
D. 
Answer: A
You might also like to view...
Solve the inequality 
. Restrict your attention to positive values of x. Round your answer to two decimal places.
?
A. 
B. The inequality is always true.
C. ?
D. The inequality is never true.
Solve the system by graphing on a calculator. Round to the nearest hundredth if necessary.y = 3-xy = - 
A. {(-1, 3)} B. ? C. {(1, -3)} D. {(1, 3)}
Write a linear inequality in two variables to represent the situation.A delivery company has two sizes of boxes to ship. Their small box has a volume of 7 cubic feet and their large box has a volume of 14 cubic feet. Each of the company's trucks can carry 154 cubic feet of cargo. Write an inequality that describes the company's options for the number , x, of small boxes and the number, y, of large boxes that can be shipped in one truck.
A. 154x + 14y ? 7 B. 7x + 14y ? 154 C. 7x + 14y ? 154 D. 14x + 7y ? 154
Solve.
= 
A. 4
B. 
C. 
D. 17