Ch 7 PM3 Review Day 3

​Ch 7 PM3 Review Day 3

Graphing

Graph the equation:

y = -3/8x + 2

Graphing

Graph the equation:

2y = 4x + 6

Multiple Choice

Does this mapping diagram represent a function?

• No, because an input value goes to multiple output values
• Yes, because each input goes to one and only one output

​Because the new figure is bigger, this dilation is an _______________.

​If the scale factor, k is: k>1
Then, the new figure is _________.

​If the scale factor, k is: 0<k<1
Then, the new figure is _________.

Multiple Choice

Triangle ABC is dilated to produce triangle A'B'C' with scale factor 3/4 . Which describes the relationship between the two triangles?

• Triangle A'B'C' is an enlargement of triangle ABC

• Triangle A'B'C' is a reduction of triangle ABC

• Triangle A'B'C' is a mirror image of triangle ABC

Multiple Choice

If the triangle ABC is dilated using a scale factor of k=2, what will be the coordinates of A' after the transformation?(Click the picture to zoom in on it)

• A'(1.5, -1.5)

• A' (-6, 6)

Multiple Choice

Find the scale factor going from the small triangle to the larger triangle

• 3

• 1/3

• 2

• 5

Multiple Choice

Find the scale factor going from the small triangle to the larger triangle

• 3

• 1/3

• 2

• 5

Multiple Choice

Are the triangles similar?

• yes

• no

Multiple Choice

Find the missing side

• 24

• 36

• 12

• 15