home

same or constant. ||
 * **Term** || **Lesson** || **Definition** ||
 * **Center** ||  ||   ||
 * **Congruent** ||  ||   ||
 * **Constant of Proportionality** || 4-5 || The constant ratio is also called the constant of proportionality. ||
 * **Constant Rate of Change** || 4-4 || The rate of change between any two points in a linear relationship is the
 * **Corresponding Parts** ||  ||   ||
 * **Cross Products** || 4-5 || The products ad and bc are called the cross products of this proportion. ||
 * **Dilation** ||  ||   ||
 * **Enlargement** ||  ||   ||
 * **Equivalent Ratios** || 4-5 || In the example above, the ratios of the cost to the number of bottles of polish for two or six bottles are equal or equivalent ratios ||
 * **Indirect Measurement** ||  ||   ||
 * **Linear Relationship** || 4-4 || Relationships that have straight-line graphs, like the one in the example above, are called linear relationships ||
 * **Non Proportional** || 4-2 || Not proportional. ||
 * **Polygon** ||  ||   ||
 * **Proportion** ||  ||   ||
 * **Proportional** || 4-2 || If two quantities are proportional, then they have a constant ratio. ||
 * **Rate** || 4-1 || A rate is a ratio that compares two quantities with different types of units such as $7 for 3 pounds or 134 miles in 3 hours. ||
 * **Ratio** || 4-1 || A ratio is a comparison of two numbers or quantities by division. ||
 * **Reduction** ||  ||   ||
 * **Scale** ||  ||   ||
 * **Scale Drawing/Model** ||  ||   ||
 * **Scale Factor** ||  ||   ||
 * **Similar** ||  ||   ||
 * **Unit Rate** || 4-1 || Denominator of 1, it is called a unit rate. ||

Rate of Change- A rate of change is a rate that describes how one quantity changes in relation to another. 4-3