The Quadratic Formula Answers

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

When deriving the quadratic formula by completing the square, what expression can be added to both sides of the equation to create a perfect square trinomial?

Which equation has the solutions ?

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x – 4 = 0 for x?

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

Which equation shows the quadratic formula used correctly to solve 7x2 = 9 + x for x?

Using the quadratic formula to solve 5x = 6x2 – 3, 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:

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 could generate the curve in the graph below?