Proportion and Slope

The line represents a proportion and passes through (-20, -5). Drag the points to represent the line.

What is the slope/constant of proportionality of the line?

• 4

• 2

The table represents a proportional relationship between y and x. Which equation represents the relationship?

The line represents a proportion and passes through (15, 18). Drag the points to represent the line.

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

Tags

8.4A

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.

Tags

8.4A

Which of the following best describes the slope of line AD?

Tags

8.4A

Which proportion shows the equality of the slopes of AC and DF?

Tags

8.4A

Triangle PQR and RST are similar right triangles. Which proportion can be used to show that the slope of line PR is equal to the slope of line RT?

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.