SOLUTION: find the slope-intercept equation of the line that has the given characteristics slope 4.5 and y-intercept (0,-7) find an equation of the line having the given slope and containi

Algebra ->  Functions -> SOLUTION: find the slope-intercept equation of the line that has the given characteristics slope 4.5 and y-intercept (0,-7) find an equation of the line having the given slope and containi      Log On


   



Question 867484: find the slope-intercept equation of the line that has the given characteristics
slope 4.5 and y-intercept (0,-7)
find an equation of the line having the given slope and containing the given point
m=4,(2,1)

Answer by josgarithmetic(39613) About Me  (Show Source):
You can put this solution on YOUR website!
Those are two separate questions. The first one is just direct use of the formula, plugging in the information. The second question needs a little more thought.

y=mx+b,solve for b gives b=y-mx. Use the needed and given point to find the value of b.
b=1-4%2A2=1-8=-7
b=-7
highlight%28y=4x-7%29