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Mathematics 13 Online
OpenStudy (anonymous):

.

OpenStudy (anonymous):

Graph the line y = 3x +1. Plot the point (2,0). Draw a line parallel to the line that passes through that point. Find its equation.

OpenStudy (anonymous):

Already did that. I don't know to find it's equation

OpenStudy (anonymous):

I have to write an equation for the line that passes through 2,0

OpenStudy (anonymous):

The equation of a line is y = mx + b, right?

OpenStudy (anonymous):

So, find where it crosses the y-axis (b), then find its slope (m) (rise/run), then plug it into that equation.

OpenStudy (anonymous):

does it pass through -5?

OpenStudy (anonymous):

No. You're in the right area, but not quite.

OpenStudy (anonymous):

https://www.desmos.com/calculator try graphing it here

OpenStudy (anonymous):

Hint: parallel lines will have the same slope.

OpenStudy (anonymous):

how do i add a second line to that graph

OpenStudy (anonymous):

?

OpenStudy (anonymous):

Click underneath the first graph

OpenStudy (anonymous):

I already have a point on (2,0)

OpenStudy (anonymous):

Is it -3???

OpenStudy (anonymous):

It's -6

OpenStudy (anonymous):

Okay

OpenStudy (anonymous):

now what? should i repost so someone else can help

OpenStudy (anonymous):

Look, you know that m = 3 and that b = -6, right?

OpenStudy (anonymous):

Just plug in those values into y = mx +b

OpenStudy (anonymous):

Ok

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