Slope Triangles

Find the slope of the line using slope triangles

• A

• B

• C

• D

If ∆ y = 3 and ∆ x = 2 What is the slope of the line

• 2/3

• -2/3

• 6/1

• 3/2

If ∆ y = 6 and ∆ x = 3 What is the slope of the line

• 2/1

• 3/6

• 1/2

• 3/1

Identify the slope (CA) of triangle ABC.

• 1/3

• 3

• -3

• -1/3

Triangle MNP and JKL are similar right triangles. Between which pairs of points are the slopes the same? Choose all that apply.

• N and P; K and J

• M and P; J and L

• M and N; K and L

• N and P; J and L

Triangle HJK and triangle PMK are similar right triangles. The coordinates of all the verticces are integers. Which statement is true about the slope of line HK and the slope of line PK.

• The slope of line HK is less than the slope of line PK because the ratio of the change in y-values of the endpoints to the change in x-values of the endpoints is less for line HK than it is for line PK.

• The slope of line HK is equal to the slope of line PK because the ratio of the change in y-values of the endpoints to the change in x-values of the endpoints is the same for line HK as it is for line PK.

• The slope of line HK is greater than the slope of line PK because the ratio of the change in y-values of the endpoints to the change in x-values of the endpoints is greater for line HK than it is for line PK.

• The relationship between the slope of line HK and the slope of line PK cannot be determined because the traingles are congruent.

Which of the following is true about the triangles shown 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. Congruent: same size, same shape.

• The slopes of the two triangles are the same.

Identify the slope of EF in triangle DEF.

• 1

• -1

• 3

• -3

Which statement is not true?

• A and B

• D only

• C only

• A, B and D

Identify the slope of the hypotenuse of triangle DEF.

• 1

• -1

• 3

• -3