AnswersCA-Math 8 BSimilar Triangles and Slope

Similar Triangles and Slope Answers

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Triangle MNO is similar to triangle RPO.Valek finds the distance between P and R. His work is shown below.Step 1 Step 2 Step 3 Step 4 What is Valek’s first error?

Question illustration
A
Valek did not correctly divide 1,536 by 20 going from step 3 to step 4.
B
Valek did not find the correct product of 32 and 48 going from step 2 to step 3.
C
Valek should have written the proportion in step 1 as .
Option C
D
Valek should have written the cross-product in step 2 as .
Option D
3

is parallel to in the map below.Which proportion solves for the distance between D and E?

Question illustration
A
StartFraction 9 Over 6 EndFraction = StartFraction x Over 15 EndFraction
Option A
B
StartFraction 6 Over x EndFraction = StartFraction 15 Over 9 EndFraction
Option B
C
StartFraction 9 Over 6 EndFraction = StartFraction 15 Over x EndFraction
Option C
D
StartFraction 6 Over 15 EndFraction = StartFraction 9 Over x EndFraction
Option D
4

is parallel to in the map below.Which proportion solves for the distance between Y and Z?

Question illustration
A
StartFraction 3 Over 9 EndFraction = StartFraction 4 Over x EndFraction
Option A
B
Three-fourths = StartFraction x Over 9 EndFraction
Option B
C
Four-thirds = StartFraction 9 Over x EndFraction
Option C
D
StartFraction 3 Over x EndFraction = StartFraction 4 Over 9 EndFraction
Option D
6

Right triangle ABC is shown below.A similar right triangle would be created by a run of 4 and a rise of

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