A scale factor is a number which scales, or multiplies, some quantity.
In the equation y = Cx, C is the scale factor for x. C is also the coefficient of x, and may be called the constant of proportionality of y to x.
For example, doubling distances corresponds to a scale factor of 2 for distance, while cutting a cake in half results in pieces with a scale factor of ½.
Download the powerpoint using the circle button with an arrow inside of it that is up top to the right. You will then be able to play all of the animation in the slide show.
Be sure to also turn up the volume on your computer when you come to the question portion of the power point. Sounds will tell you whether you are choosing correctly or incorrectly.
This is the IXL 7th grade target J.13 Scale Drawings and Scale Factors. Perfect practice for Lessons 17, 18, and 19 of the 7th grade common core.