Number and Quantity
Solve the following quadratic equation by factoring. 2x^2 - 5x - 3 = 0
x = -1/2 x = 3
Solve the following quadratic equation by using square roots: 5x^2 + 3 = 128
x = 5 x = -5
Solve the following quadratic equation by using the quadratic formula: 4x^2 - 17x - 15 = 0
x = 5 x = -3/4
Solve the following quadratic equation by completing the square: x^2 + 10x +16 = 0
x = -2 x = -8
What is the quadratic formula?