Slope and Similar Triangles

• A

• B

• C

• D

Which of the following is a true statement about the triangles on the graph?

• The slope of the smaller triangle is smaller than the slope of the larger triangle.

• The slope of the larger triangle is larger than the slope of the smaller triangle.

• The triangles are congruent triangles.

• The slopes of the two triangles are the same.

Which proportion could be used to show the slope of line VX is equal to the slope of line XZ?

Tags

8.4A

Triangle ABC and triangle DEF...

• are different sizes,

  so their slopes are different.

• are on the same line,

  so they have the same slope.

Use the triangles to help you identify the slope! Remember to simplify!

• 1

• -1

• 3

• -3

Use the triangles to help you identify the slope! Remember to simplify!

rise/run

• 1

• -1

• 3

• -3

Use the triangles to help you identify the slope! Remember to simplify!

rise/run

• 2/3

• 3/2

• -2/3

• -3/2

Use the triangles to help you identify the slope! Remember to simplify!

rise/run

• 2/3

• 3/4

• 3/2

• 1/3

What is the slope in the picture?

• Positive

• Negative

• Zero

• Undefined

What is the slope of all horizontal lines?

• 0

• undefined

• 1

• -1