Question

how do you graph this?
f(x)=1/2(-x+2)^2-5

Answer 1

put it like this:
f(x)=-1/2(x-2)^2-5
so its a parabola with vertex at (2,-5)

Answer 2

@Lulu212

Answer 3

how do i know what the rest of the points are?

Answer 4

Do you have a graphing calculator? if you do, you can plug the equation in. If you dont, you can try an online graphing calculator
or you could do it manually.plug in a number for x and you will end up with a value for y

here are some of the other points
(-2 , -13 )
(-1 , -9.5 )
(0 , -7)
(1 ,-5.5 )
( 2 , -5)