Ch.8 Pt.1 Exam Review

What are the steps for calculating geometric mean?

• multiply two parts and square root the product.

• square root the numbers and then multiply.

• only square root.

• only multiply.

What is the geometric mean of 9 and 16?

• 3

• 12

• 4

• 7

Solve for the value of x (a.k.a the geometric mean).

• 3√10

• √30

• 10.5

• None of these

Classify a triangle whose side lengths are 9, 17 and 12.

• acute

• obtuse

• right

Classify a triangle whose side lengths are 8, 10 and 9.

• Acute

• Right

• Obtuse

Can the side lengths of 9, 17 and 12 make a triangle?

• yes

• no

Can the side lengths of 8, 10 and 9 make a triangle?

• yes

• no

Can the side lengths of 3, 4 and 5 make a triangle?

• yes

• no

Classify a triangle whose side lengths are 3, 4 and 5.

• acute

• right

• obtuse

Can the side lengths of 10, 1 and 12 make a triangle?

• yes

• no