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Questions and Answers
Which equation represents the standard form of a quadratic equation?
Which equation represents the standard form of a quadratic equation?
- $ax^2 + bx + c = 0$ (correct)
- $ax^2 + bx + c = 1$
- $a(x + b)^2 + c = 0$
- $ax^2 + b = 0$
What is the purpose of the quadratic formula?
What is the purpose of the quadratic formula?
- To isolate the quadratic expression on one side of the equation
- To solve quadratic equations that cannot be factored easily (correct)
- To convert quadratic equations into standard form
- To determine the values of $x$ that satisfy the equation
What must be done to a quadratic equation before using the quadratic formula?
What must be done to a quadratic equation before using the quadratic formula?
- Factor it completely
- Convert it into standard form (correct)
- Multiply it by a constant
- Isolate the quadratic expression on one side of the equation
Which of the following is NOT a step in using the quadratic formula?
Which of the following is NOT a step in using the quadratic formula?
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What does the quadratic formula help us determine?
What does the quadratic formula help us determine?
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