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ok whats the question?

graph each parabola and give its vertex,axis,x-intercepts,and y-intercept.

use quadric formula solve\[\frac{-b \pm \sqrt{b^2-(4*a*c)}}{2*a}\]a=2
b=8
c=-8

You would use the quadratic formula to solve the x intercepts

ok thanks guys

How i can write ± in my calculator???

u dont

ok I will try

solve it algebraically don't use your calculator

Finally I got it
Thanks guys