Lesson: Quadratic Formula

In this lesson, we will learn how to solve quadratic equations using the quadratic formula.

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Sample Question Videos

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Worksheet: 25 Questions • 4 Videos

Q1:

Find the solution set of in , giving values to one decimal place.

Q2:

By using the quadratic formula, solve the equation . Give your answers correct to two decimal places.

Q3:

Use the quadratic formula to find all the values of for which the roots of the equation differ by exactly 10. Give your answers correct to two decimal places if necessary.

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