Question 1203270: Graph the line -2x+y=4
Found 3 solutions by ikleyn, josgarithmetic, math_tutor2020:
Answer by ikleyn(52781)   (Show Source):
You can put this solution on YOUR website! .
Go to web-site
www.desmos.com/calculator
and use the online plotting tool (free of charge for common use) there.
Print equation of your line in the specialized window and get the plot instantly.
Or, alternatively, use your graphing calculator.
If you need additional instructions on how to do it using graphing calculators TI83 or TI84,
then see, listen and learn from this YouTube video-lesson
https://www.youtube.com/watch?v=_zFbA1yti6E
Answer by josgarithmetic(39617)  (Show Source):
You can put this solution on YOUR website! Equation for line tells you how it is.
In this equivalent form,  , you know a point on y-axis and you know slope. And now to graph the line is no trouble.
Answer by math_tutor2020(3817) (Show Source):
You can put this solution on YOUR website!
-2x+y = 4 is equivalent to y = 2x+4 after adding 2x to both sides.
Let's plug in x = 0
y = 2x+4
y = 2*0+4
y = 0+4
y = 4
We can see the point (0,4) is on the line.
Repeat for x = 1
y = 2x+4
y = 2*1+4
y = 2+4
y = 6
The line also goes through (1,6)
Graph of -2x+y = 4, aka y = 2x+4, through the two points (0,4) and (1,6)
Optionally you can plot more points, but 2 points is the bare minimum needed to make a straight line.
GeoGebra and Desmos are tools you can use as graphing software.
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