3 years ago

Show work please!!! Solve the equation by completing the square. If necessary, round to the nearest hundredth.

1 answer:

5 0

Answer:

1. B 2. C

Step-by-step explanation:

1. x^2-18x+(18/2)^2=19+(18/2)^2

(x-18/2)^2=100

(x-9)^2=100

x1= -1 x2= 19

2. x^2=81

x=+-9

x1=-9 x2=9

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