Question

solve the equation by completing the square. Round to the nearest hundredth if necessary.
x^2 + 10x = 18
–11.56, 1.56
11.56, 1.56
–11.56, –1.56
11.56, –1.56

Answer 1

ok, well what do you know about completing the square?

Answer 2

no

Answer 3

so you know nothing about completing the square?

Answer 4

no

Answer 5

solution is A, because x= +/- sqrt(43)+5