SOLUTION: Find the point in the first quadrant at which the graph of the quadratic function f(x) = 3 x2 − 4 intersects the graph of the linear function g(x) = 3 x + 14

Algebra ->  Graphs -> SOLUTION: Find the point in the first quadrant at which the graph of the quadratic function f(x) = 3 x2 − 4 intersects the graph of the linear function g(x) = 3 x + 14       Log On


   

Question 946852: Find the point in the first quadrant at which the graph of the quadratic function
f(x) = 3 x2 − 4
intersects the graph of the linear function
g(x) = 3 x + 14
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
3x%5E2-4=3x%2B14
3x%5E2-3x-18=0
x%5E2-x-6=0
%28x-3%29%28x%2B2%29=0
First quadrant, x is positive.
x-3=0
x=3
The other solution would give you x=-2 which is not in the first quadrant.