# How to write a-line in standard form

We've also seen that you can also express things in point-slope form.

Now what about the y-intercept? So let me, oops, though I was using the tool that would draw a straight line. This is done by subtracting mx from both sides.

Let me. The whole number should be a multiple of both denominators ideally it is the least common multiple. If we looked at slope-intercept form, the y-intercept just kinda jumps out at you. It is also common to require that A, B, and C share no common factors.

## Graphing lines in standard form

Especially slope-intercept form. We've also seen that you can also express things in point-slope form. And this form over here, much easier to figure out the slope and, actually, the y-intercept jumps out at you. So you can literally say, "Okay, if I'm going from "this point to this point, my change in X "to go from eight to zero is negative eight. And then from B you're able to figure out the y-intercept. Or we could say it's 4. We either use these two points, it didn't just jump immediately out of this, although you might see a little bit of a pattern of what's going on here. And it's a form that you might have already seen.

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