Question 1158302
olve the system by graphing the functions, and finding their points of intersection

y+x=-4
y=2x² +3x-4
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You should do that.
y = -x - 4 is a straight line.
Pick 2 values for x and find y.
Plot the 2 points, draw a line thru them.
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y=2x^2 +3x-4
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Pick values for x and find y.
You can make an Excel sheet to do that.
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There's no reason for someone to do it for you.
Plot as many points as you like.