Lesson 4 Prove It with Algebra Practice Understanding

Ready

Find the values that will make the equations true.

1.

$a^{2} + 4 = 9$

2.

$1 + b^{2} = 9$

3.

$a^{2} + 7 = 16$

4.

$4 + b^{2} = 16$

5.

$a^{2} + 24 = 49$

6.

$33 + b^{2} = 49$

7.

$a^{2} + 11 = 49$

8.

$9 + b^{2} = 49$

Set

Use the figure for problems 9–11.

9.

Is quadrilateral $P Q R S$ a rectangle? Justify your answer.

10.

Is quadrilateral $P Q R S$ a rhombus? Justify your answer.

11.

Is quadrilateral $P Q R S$ a square? Justify your answer.

12.

Classify quadrilateral $A B C D$ . Justify your answer.

Go

Find the exact perimeter of each figure. Then round your answers to the nearest thousandths place.

Lesson 4 Prove It with Algebra Practice Understanding

Ready

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Set

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Go

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