The Quadratic Formula Answers

Using the quadratic formula to solve 7x2 – x = 7, what are the values of x?

The first two steps in the derivation of the quadratic formula by completing the square are shown below. Which answer choice shows the correct next step?Step 1: Step 2:

The graph of an equation with a negative discriminant always has which characteristic?

Which equation can be solved using the expression for x?

Using the quadratic formula to solve 5x = 6x2 – 3, what are the values of x?

Using the quadratic formula to solve x2 + 20 = 2x, what are the values of x?

In the derivation of the quadratic formula by completing the square, the equation is created by forming a perfect square trinomial. What is the result of applying the square root property of equality to this equation?

Which equation has the solutions ?

Using the quadratic formula to solve x2 = 5 – x, what are the values of x?

What is the discriminant of 9x2 + 2 = 10x?