8.4.A Use Similar Right Triangles To Understand That Slope/Rate Of Change Is The Same For Any Two Points On The Same Line

QuizÂ by Texas Education Agency

Mathematics
Texas Essential Knowledge and Skills (TEKS)

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### Measures 1 skill fromGrade 8MathematicsTexas Essential Knowledge and Skills (TEKS)

8.4.A: Proportionality

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3 questions
• Q1
Triangle DEF and triangle GHI are similar right triangles. Based on this information, which statement is true?
The relationship between the slope of the hypotenuse of triangle DEF and the slope of the hypotenuse of triangle GHI cannot be determined.
The slope of the hypotenuse of triangle DEF is greater than the slope of the hypotenuse of triangle GHI.
The slope of the hypotenuse of triangle DEF is equal to the slope of the hypotenuse of triangle GHI.
The slope of the hypotenuse of triangle DEF is less than the slope of the hypotenuse of triangle GHI.
60s
8.4.A: Proportionality
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• Q2
Triangles PQR and RST are similar right triangles.
#texas/0a0703f7-2fed-422f-9cfd-279d6b55bbd5/A.png
#texas/0a0703f7-2fed-422f-9cfd-279d6b55bbd5/B.png
#texas/0a0703f7-2fed-422f-9cfd-279d6b55bbd5/D.png
#texas/0a0703f7-2fed-422f-9cfd-279d6b55bbd5/C.png
60s
8.4.A: Proportionality
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• Q3
Triangle MNP and triangle JKL are similar right triangles. Which proportion can be used to show that the slope of JL is equal to the slope of MP
#texas/77ae04f2-f3de-4aa6-9800-027c3dc6df39/B.png
#texas/77ae04f2-f3de-4aa6-9800-027c3dc6df39/A.png
#texas/77ae04f2-f3de-4aa6-9800-027c3dc6df39/D.png
#texas/77ae04f2-f3de-4aa6-9800-027c3dc6df39/C.png
60s
8.4.A: Proportionality
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