Need help this is khan academy

[clever pebble]

Hint: Try putting value into it.

Like, let x = 0, you will get g(0) which is one of the point in your graph (0,g(0))

you can repeat it for like x = -1, 1, -2,2 and move it to fit all the points you have tried

Or you can rearrange it into the nice parabola equation

But if you can't see how to rearrange it, try the method of putting the random values in and match the point first.

[storm cosmos]

find the vertex

then plot the vertex

then find the y intercept

and plot the y intercept

and you have the graph

[storm cosmos]

😭 what is the nice parabola equation

[clever pebble]

the one with the vertex and everything intact

like g(x) = a(x-h)^2 + k

for vertex (h,k)

[storm cosmos]

oh

yeah that's definitely the best form of a parabola

[clever pebble]

but again... for this kind of question, just plug some number in and move the graph around

[storm cosmos]

I feel like the intended solution would be to find the vertex and y intercept, then plot them

[clever pebble]

well... good luck completing the square to get into that form lol

[storm cosmos]

there's a different way to find the vertex

[clever pebble]

I know... but if student did just plug some number in instead of using formula, I will be more happy IMO

[storm cosmos]

ok

[light hatch]

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[storm cosmos]

👍 nice