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39 votes
39 votes
Find the equation of the line with a slope of 2 and a point of (5,11)

PLEASE HELP !!!! THANKS !!!

User XuZhangning
by
3.0k points

1 Answer

14 votes
14 votes

Answer:

y=2x+1

Explanation:

Hi there!

We are given the slope (m), which is 2, as well as the point (5,11).

We need to find the equation of the line.

There are 3 ways to write the equation of the line, but the most common type is slope-intercept form, or y=mx+b, where m is the slope and b is the y intercept

We're already given the slope (2), so we can substitute it into the equation right away

here's the equation so far:

y=2x+b

now we need to find b.

We can do this by plugging (5,11) into the equation, as the line passes through that point.

Substitute x as 5 and 11 as y

11=2(5)+b

multiply

11=10+b

subtract 10 from both sides

1=b

substitute 1 as b into the equation

y=2x+1

Hope this helps! :)

User Byron Jones
by
2.4k points
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