The Quadratic Formula Answers

Which equation could generate the curve in the graph below?

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

Which equation can be solved using the expression for 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:

Which equation has the solutions ?

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

What is the discriminant of ?

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