How do you graph $y=1/2x-2$ by plotting points?

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Answer 1 · 2016-08-23T07:39:30

See explanation.

To draw a linear function you only need 2 points so it is enough to substitute 2 values for $x$ and calculate the value of $y$ .

$f(0)=1/2*0-2=2$

$f(2)=1/2*2+2=1+2=3$

Now you have to draw a line passing through $(0,2)$ and $(2,3)$ .

graph{1/2x+2 [-10, 10, -5, 5]}

How do you graph y=1/2x-2y=1/2x-2 by plotting points?