SOLUTION: What is the graph of the equation 8x+y=4

Algebra ->  Graphs -> SOLUTION: What is the graph of the equation 8x+y=4      Log On


   



Question 1208845: What is the graph of the equation 8x+y=4
Found 2 solutions by math_tutor2020, josgarithmetic:
Answer by math_tutor2020(3817) About Me  (Show Source):
You can put this solution on YOUR website!

8x+y = 4 solves to y = -8x+4

It's of the template y = mx+b
m = -8 = -8/1 = slope
b = 4 = y intercept

Start at the y intercept (0,4)
Move down 8 units and right 1 unit (due to the slope) to arrive at the point (1,-4)

Plot the points (0,4) and (1,-4)
Draw a straight line through them both. Extend the line as far as you can in both directions.

GeoGebra and Desmos are two of many graphing tools.
Or you can use something like a TI83.

Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
8x%2By=4
y=-8x%2B4
compare that to y=mx%2Bb and this form shows you the slope and the y-intercept for making the graph.