Pre-Alg: Module 4 Vocabulary Quiz

The constant ratio in a proportional linear relationship.

• constant of proportionality

• slope

• y-intercept

• rate of change

A constant ratio in a direct variation.

• constant of variation

• constant of proportionality

• constant of equation

• proportion

Tells us that the rate of change between any two points in a linear relationship is the same or constant.

• constant rate of change

• slope

• constant of proportionality

• constant of variation

Parts of congruent or similar figures that are in the same relative figures.

• corresponding parts

• constant of variation

• constant of proportionality

• congruent parts

A relationship between two variable quantities with a constant ratio. A proportional linear relationship.

• direct variation

• linear exponential relationship

• nonlinear relationship

• constant of proportionality

The starting value in a real-world situation in which an equation can be written. The y-intercept of a linear function.

• initial value

• input

• slope

• origin

An equation with a graph that is a straight line is a ______ equation.

A relationship that has a straight-line graph.

The point of intersection of the x-axis and the y-axis in a coordinate plane. (0,0)

A rate that describes how one quantity changes in relation to another quantity.

• rate of change

• corresponding parts

• direct variation

• initial value