Question: 1. Some quadratic equations are difficult to factor. In these cases, you can use the quadratic -btvb- -4ac formula, x = 2 a , to

1. Some quadratic equations are difficult to factor. In these cases, you can use the quadratic -btvb- -4ac formula, x = 2 a , to find the roots of the quadratic equation ax + bx + c = 0. A. Graph y = 3x3 - x - 4. Select the SOLUTION tab to see how the quadratic formula is used to find the roots of 3x - x - 4 = 0. What are the roots? Click on the CONTROLS tab to check that these are the x-intercepts of the graph. B. Use the quadratic formula to find the roots of 2x~ + x - 10 = 0. Show your work in the space to the right. Then check your answer in the Gizmo

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