The Quadratic Formula Answers

Which equation has the solutions ?

Which equation could generate the curve in the graph below?

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

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

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?

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

If x = –3 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the equation?

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: