How do you write an equation of a line that passes through (2,3) with a slope of -1/2?
1 Answer
Oct 8, 2015
Explanation:
- The equation for slope-intercept form is
y=mx+b - Plug in the points and the slope into the correct spots.
(2,3) x=2 ,y=3 m=-1/2 3=-1/2(2)+b - Solve for b (the y-intercept)
3=-1+b Add one to both sides to balance equation4=b y=mx+b ,y=-1/2x+4 - Check answer by graphing
- Online Graphing Calculator
