Solve the following system graphically. Verify the solution(s) using substitution.
• y=2x^2+3x+1
• y=x+13
there are lots of handy online graphing sites.
To solve algebraically, just plug and chug.
2x^2 + 3x + 1 = x + 13
2x^2 + 2x - 12 = 0
x^2 + x - 6 = 0
Now finish it off.