Slope from Similar Triangles

• A

• B

• C

• D

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

Tags

8.4A

What is the slope of the line graphed below? Simplify your answer. Be careful of the scale on the y-axis!

• 30/3 = 10/1 = 10

• 3/30 = 1/10

• 3/3 = 1

Explain whether or not the triangles shown could lie on the same line.

• Yes, because their slopes both simplify to -6.

• Yes, because their slopes both simplify to 1/6.

• No, because -72/12 is not the same as -144/24

What type of slope?

• negative

• steep

• undefined

• zero slope

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

Identify the slope (CA) of triangle ABC.

• 1/3

• 3

• -3

• -1/3

Triangles ABC and DEF are similar. The slope of the hypotenuse of ABC is...

• the same as the slope of the hypotenuse DEF

• twice the slope of the hypotenuse of triangle DEF

• half the slope of the hypotenuse of triangle DEF

• 2/3

• 3/4

• 3/2

• 1/3

Identify the slope (AC) of triangle ABC.

• 2

• 1/2

• -2

• -1/2