How do you simultaneously solve
y=-0.70x^2 +30
y=7
Apparently you get the square root of 230/7, but I dont know how to get there.
Ans :- y = -0.70x^2 + 30
y + 0.70x^2 - 30 = 0
0.70x^2 + y - 30 = 0
0.70x^2 + 7 - 30 = 0
0.70x^2 - 23 = 0
0.70x^2 = 23
x^2 = 23/7*10
x^2 = 230/7
x = sqrt 230/7
Solve all your Multi Step Equations problem with me.