I was taught that last year and this year and forgor 😭😭😭

I WAS TAUGHT THAT LAST YEAR AND I FORGOT EVERYTHINVG LOL

Y=mx+b is slope form
Y1-Y1=∆y
X2-X1=∆x
Is something to figure out the slope with two ordered pairs (doesn't matter which I think)
Y2-Y1=m(X-X1) is uhhh I don't remember the name I think this one was point slope

Ax+By=C
Something
Bro 😭😭😭 I'm fcked I got keystones and I ain't remembering these stuff I'm screweeddd

whats the standard form again