SOLUTION: how do you write an equation in slope-intercept form for a line that satisfies the following condition a slope of 2/5 and passes through (10, -20)

Algebra ->  Linear-equations -> SOLUTION: how do you write an equation in slope-intercept form for a line that satisfies the following condition a slope of 2/5 and passes through (10, -20)      Log On


   



Question 234567: how do you write an equation in slope-intercept form for a line that satisfies the following condition a slope of 2/5 and passes through (10, -20)
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
The slope-intercept form is written as y = mx + b, where m is the slope and b is the y-intercept.
To find your equation, use the point-slope formula:
y - y1 = m(x - x1)
y - (-20) = (2/5)(x - 10)
y + 20 = (2/5)(x) - 4
We now need to isolate y and we're done.
y = (2/5)(x) - 4 - 20
y = (2/5)(x) - 24