Solving Linear-Quadratic Systems by Elimination

It's the fourth quarter of the state championship game. Your team is down by one and your kicker needs to kick a field goal to win the state title. When the kicker kicks the ball it travels along a parabolic path with the equation: $y=-x^2+6$ The opposing team's corner back jumps to catch the ball. The path the corner back travels is linear and can be represented with the following equation: $y-2x=7.$ At what point will the paths intersect, giving the corner back a chance to catch the ball?