Slope and Similar Triangles

Which statement is not true?

• A and B

• D only

• C only

• A, B and D

What type of slope?

• negative

• positive

• zero

• undefined

Identify the slope of the hypotenuse of triangle DEF.

• 1

• -1

• 3

• -3

Identify the slope of the hypotenuse of triangle ABC.

• 1

• -1

• 3

• -3

find the slope

• 3/2

• -3/2

• (-0,-3)

• none of the above

Which of these lines has a slope of -3?

• A

• B

• C

• D

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

Are the triangles drawn along the line similar? Remember: Similar: same shape, different size.

• yes

• no

Select the triangle that could lie on a line with a slope of 3/2.

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• 
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What is the question asking you?

• Find each hypotenuse of the right triangles

• Find the y-intercept of the line

• Identify if the line is a function or not

• Use two similar right triangles to solve for the slope of the line