How do you graph y = sqrt(x + 2)?

1 Answer
Jim G.
Apr 29, 2017

see explanation

Explanation:

sqrt(x+2)>=0

We can plot some coordinate points by choosing key values for x.

x=-2toy=sqrt0=0rArr(-2,0)

x=2toy=sqrt4=2rArr(2,2)

x=7toy=sqrt9=3rArr(7,3)

Plot these 3 points and draw a smooth curve through them.
graph{sqrt(x+2) [-10, 10, -5, 5]}

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