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Lesson 15 - Unit 7 - Algebra 1 - Illustrative Mathematics

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7.

Match each expression to an equivalent expression.

Draggable itemarrow_right_altCorresponding Item

\sqrt{16} \pm \sqrt{2}

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3 and 5

4 \pm \sqrt10

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8 and 12

4\pm1

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-17 and 5

-6\pm11

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4+\sqrt{10} and 4-\sqrt{10}

10\pm \sqrt{4}

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4+ \sqrt{2} and 4- \sqrt{2}

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11.

Jada is working on solving a quadratic equation, as shown here.

Explain the mistake that Jada made and show the correct solutions.

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12.

Which expression in factored form is equivalent to 30x^{2}+31x+5?

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16.

This lesson is from Illustrative Mathematics. Algebra 1, Unit 7, Lesson 15. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/1/7/15/index.html ; accessed 26/July/2021.

IM Algebra 1, Geometry, Algebra 2 is © 2019 Illustrative Mathematics. Licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0).

The Illustrative Mathematics name and logo are not subject to the Creative Commons license and may not be used without the prior and express written consent of Illustrative Mathematics.

These materials include public domain images or openly licensed images that are copyrighted by their respective owners. Openly licensed images remain under the terms of their respective licenses. See the image attribution section for more information.

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