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y = x2 + 8x + 3 5) y = 3x2 + 6x – 5 6) y = -2x2 – 8x + 2 Write an equation for the parabola with the given vertex that passes through the given point. Write your equation in vertex form AND y = ax2 + bx + c form Then graph each equation on your calculator to ve...
If using a graphing calculator to graph the inequalities, you can usually scroll over to the vertices and find the coordinates that way. 2 Change the inequalities to equations. In order to solve for the system of inequalities, you will need to temporarily change the inequalities to equations, ...