The Quadratic Formula Answers
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 x2 = 5 – x, what are the values of x?
What is the discriminant of ?
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 can be solved using the expression for x?
The graph of an equation with a negative discriminant always has which characteristic?
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?
Which equation could generate the curve in the graph below?
Which equation has the solutions ?
Which equation could generate the curve in the graph below?
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 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 ?
Which equation has the solutions ?
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 shows the quadratic formula used correctly to solve 5x2 + 3x – 4 = 0 for x?
Which equation has the solutions ?
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