# Lesson 1Photocopy Faux PasDevelop Understanding

Give the factor by which each pre-image was multiplied to create the image. Use the scale factor to find any missing lengths.

Scale Factor:

Scale Factor:

Scale Factor:

Scale Factor:

Scale Factor:

Scale Factor:

## Set

For each real-world context or circumstance, determine the center of the dilation and an approximate scale factor or way to determine the scale factor.

### 7.

Fran walks backward to a distance that will allow her family to all show up in the photo she is about to take.

### 8.

The theatre technician plays with the zoom in and out buttons in an effort to fill the entire movie screen with the image.

### 9.

Melanie zooms in on a picture she has on her phone by touching with two fingers and spreading them apart until the picture is enlarged to the desired size.

### 10.

A digital animator creates artistic works on her computer. She is currently doing an animation that has several telephone poles along a street that goes off into the distance.

### 11.

Ms. Sunshine is having her class do a project with a rubber-band tracing device that uses three rubber bands.

### 12.

A copy machine is set at for making a photocopy.

## Go

Determine whether the given representation is representative of a linear, exponential, or quadratic function. Classify each as such and justify your reasoning.

### 13.

Type of function:

Justification:

### 14.

Type of function:

Justification:

### 15.

Type of function:

Justification:

### 16.

Type of function:

Justification:

### 17.

Type of function:

Justification:

### 18.

Type of function:

Justification: