Question

Give the exact and approximate solutions to three decimal places. y^2-8y+16=36

y=?

Answer 1

Move the 36 over.
y^2-8y-20=0
Factor (quadratic formula).
The rest you can do.. I am simply too lazy.

Answer 2

(y+2)(y-10)=0

Answer 3

so y=-2 and y=10

Answer 4

y+2=0...y=-2
y-10=0...y=10

Answer 5

yeah thats it ..lol

Answer 6

so y=-2, 10

Answer 7

exact and approximate? who writes these?

Answer 8

justa check on...y.2x10=20...-10y+2y=8y...yxy=y^2

Answer 9

oops sory i mean check on....2(-10)=-20...-10y+2y=-8y...yy=y^2

Answer 10

thnx