86.3k views
1 vote
Write the equation of the line containing the point (2,5) and the slope of 3, in point-slope form

User Contool
by
8.2k points

1 Answer

4 votes
Answer is y = 3x -1

Step by step

The formula for point slope is
y - y1 = m ( x -x 1)

Fill in your x and y value and slope (m)

y - 5 = 3 (x - 2)
Distribute

y - 5 = 3x - 6
Add 5 to both sides to isolate y

y -5 +5 = 3x -6 +5
Simplify

y = 3x -1

That’s your answer in point slope form!
User Dzmitry Savinkou
by
8.2k points