Click on a 'View Solution' below for other questions:

ff Use the graph to find the solution of  2x^{2} + 8 = 0. ff

View Solution 

ff Estimate the solution of the equation 5x^{2} = 20 using a graph. ff

View Solution 

ff Find the solutions of the quadratic equation x^{2}  2x  3 = 0 using the graph. ff

View Solution 

ff Solve the quadratic equation  4x^{2}  4x + 8 = 0 using the graph. ff

View Solution 

ff Find the solution of 2x^{2}  8 = 0 using the graph. ff

View Solution 

ff Solve by graphing the related function of the equation  3x^{2} =  27. ff

View Solution 

ff Solve by graphing the related function of the equation  x^{2} + 9x  20 = 0. ff

View Solution 

ff Solve by graphing the related function of the equation  x^{2}  2x + 3 = 0. ff

View Solution 

ff Solve by graphing the related function of the equation 5x^{2} + 7 = 52. ff

View Solution 

ff Solve the equation  x^{2} + 4 = 0 using the graph. ff

View Solution 

ff Use the graph to estimate the roots of the equation x^{2} + x = 2. ff

View Solution 

ff Estimate the solution of x^{2}  x = 6 using the graph. ff

View Solution 

ff Find the roots of the quadratic equation x^{2} + 5 = 6 using the graph. ff

View Solution 

ff The graph of y = 3x^{2}  9x is shown. Estimate the solution of 3x^{2}  9x = 0 using the graph. ff

View Solution 

ff Estimate the solution of 2x^{2}  x = 3 using the graph. ff

View Solution 

ff Find the xintercepts by graphing the related function of the equation  x^{2}  4x = 3. ff

View Solution 

ff Find the xintercepts by graphing the related function of the equation x^{2} + 3x  4 = 0. ff

View Solution 

ff Find the roots by graphing the related function of the quadratic equation 14x^{2}  12x  2 = 0. ff

View Solution 

ff During summer, the cable connected between two poles sagged and formed a parabola modeled by a quadratic function y = 0.00001x^{2} + 0.9, where x is the horizontal distance from the middle of the cable(in feet) and y is the vertical distance from the vertex of parabola(in feet). The cable sagged to a maximum height of 1 ft. Calculate the distance between the poles. ff

View Solution 

ff Use the graph to find the distance between the vertices of y = ax^{2} + c and y = ax^{2}. ff

View Solution 

ff The main suspension cable of a bridge forms a parabola that can be modeled by the quadratic function y = 0.0055x^{2} + 20 where x is the horizontal distance from the middle of the bridge(in feet) and y is the vertical distance from the road(in feet). The cable is connected to the towers at points that are 240 feet above the road. How far apart are the towers? ff

View Solution 

ff The graph of y = 12x^{2}  2 is shown. Using the graph, estimate the solution of 12x^{2}  2 = 0. ff

View Solution 

ff Which of the following equations has the roots shown in the graph? ff

View Solution 

ff The graph of y =  3x^{2} + 9x is shown in the figure. Estimate the solution of  3x^{2} + 9x = 0 using the graph. ff

View Solution 

ff The graph of y = 3x^{2}  4x  7 is shown. Estimate the solutions of 3x^{2}  4x  7 = 0 using the graph. ff

View Solution 
