Slope and Similar Triangles

• A

• B

• C

• D

Tags

TEKS.MATH.8.4A

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.

Tags

TEKS.MATH.8.4A

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.

Tags

TEKS.MATH.8.4A

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

• 1

• -1

• 3

• -3

Tags

TEKS.MATH.8.4B

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

rise/run

• 1

• -1

• 3

• -3

Tags

TEKS.MATH.8.4B

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

rise/run

• 2/3

• 3/2

• -2/3

• -3/2

Tags

TEKS.MATH.8.4B

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

rise/run

• 2/3

• 3/4

• 3/2

• 1/3

Tags

TEKS.MATH.8.4B

What is the slope in the picture?

• Positive

• Negative

• Zero

• Undefined

Tags

TEKS.MATH.8.4B

What is the slope of all horizontal lines?

• 0

• undefined

• 1

• -1

Tags

TEKS.MATH.8.4B