Question

What is the equation of the line that passes through the point (3, 0) and has a slope
of -1?

Answer 1

`y = -x + 3`

Explanation:

The equation for a line is: y=mx+b, where m is the slope, and b is the y-intercept.

You are given the slope, x, and y. Simply plug it into the equation above to find b.

`0=-1(3)+b`

`0 = -3+b`

`3=b`

Now that you have b, plug in both m and b into the original equation.

`y=-x+3`