The Quadratic Formula Answers

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

Which equation has the solutions ?

What is the discriminant of ?

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

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

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

If the discriminant of a quadratic equation is equal to , which statement describes the roots?

Which equation has the solutions ?