Grade 8 McGraw Hill Glencoe - Answer Keys Answer keys

Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys

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Test Practice

Question 24 (request help)
The base of a 13-foot ladder stands 5 feet from a house. Sketch a drawing to model this situation.

How many feet up the side of the house does the ladder reach? Explain how the drawing helped you solve the problem.

feet

(show solution)

Question 25 (request help)
Which of the following lengths represent the sides of a right triangle? Select all that apply.
- 9 cm, 12 cm, 16 cm
- 8 cm, 15 cm, 17 cm
- 10 cm, 24 cm, 28 cm
- 6 cm, 8 cm, 10 cm

(show solution)

Spiral Review

Simplify each expression.

Question 26 (request help)
\(10^{2} + 14^{2} =\)

(show solution)

Question 27 (request help)
\(16^{2} + 2^{2} =\)

(show solution)

Question 28 (request help)
\(20^{2} - 17^{2} =\)

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Question 29 (request help)
The area of each square is 16 square units. Find the perimeter of the the figure shown.

units

(show solution)

Question 30 (request help)
\(\sqrt{200} =\)

\(\approx\)

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Question 31 (request help)
\(\sqrt{45} =\)

\(\approx\)

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Question 32 (request help)
\(\sqrt{126} =\)

\(\approx\)

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