Lesson 8.1

8.1 Geometric Mean

Remember turn in you 8.0 Practice in canvas!

Multiple Choice

Find the geometric mean of 15 and 20. Leave the answer in simplest radical form.

• $$10\sqrt{3}$$

• $$2\sqrt{75}$$

• $$x=\sqrt{15\cdot20}$$

Multiple Choice

Find the value of y.

• $$y=\sqrt{7\cdot2}$$

• $$y^2=7\cdot2$$

• $$\sqrt{14}$$

Multiple Choice

What is the approximate the height of the gym wall?

• $$14.45\ ft.\$$

• $$8.5\left(8.5\right)=w\left(5\right)$$

• $$19.45\ ft.\$$

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