The Quadratic Formula Answers

Which equation could generate the curve in the graph below?

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

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

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

Which equation has the solutions ?

Using the quadratic formula to solve 7x2 – x = 7, 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 ?

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: