Open Up - Grade 8 - Mathematics - Unit 2 - Lesson 10

By Formative Library
Last updated almost 3 years ago
8 Questions
1.

Of the three lines in the graph, one has slope 1, one has slope 2, and one has slope \frac{1}{5} 

Label each line with its slope.

8.G.4
5.NF.3
8.EE.6
5.NBT.7
2.

Draw three lines with slope 2, and three lines with slope \frac{1}{3}.

8.G.4
5.NF.3
8.EE.6
5.NBT.7
3.

The figure shows two right triangles, each with its longest side on the same line.
  1. Explain how you know the two triangles are similar.

8.G.4
5.NF.3
8.EE.6
5.NBT.7
4.

The figure shows two right triangles, each with its longest side on the same line.
  1. How long is XY?

8.G.4
5.NF.3
8.EE.6
5.NBT.7
5.

The figure shows two right triangles, each with its longest side on the same line.
  1. For each triangle, calculate (vertical side) \div (horizontal side).(If your answer is a fraction leave it as one)

8.G.4
5.NF.3
8.EE.6
5.NBT.7
6.

The figure shows two right triangles, each with its longest side on the same line.
  1. What is the slope of the line? (If your answer is a fraction leave it as one)

8.G.4
5.NF.3
8.EE.6
5.NBT.7
7.

Triangle A has side lengths 3, 4, and 5. Triangle B has side lengths 6, 7, and 8.

Explain how you know that Triangle B is not similar to Triangle A.

8.G.4
5.NF.3
8.EE.6
5.NBT.7
8.

Triangle A has side lengths 3, 4, and 5. Triangle B has side lengths 6, 7, and 8.

Give possible side lengths for Triangle B so that it is similar to Triangle A.

8.G.4
5.NF.3
8.EE.6
5.NBT.7
"Source: Open Up Resouces (Download for free at openupresources.org.)"