Math 7+ Unit 6 Vocabulary Review

Front

What is the amount y changes when x increases by 1 in a linear relationship?

Back

Rate of Change

Front

What is the point where the graph of a line crosses the vertical axis?

Back

Vertical intercept or y-intercept

Front

What is an equation in which the highest power of the variable is always 1, in the form: y = mx + b?

Back

Linear equation

Front

What is a line that is perfectly horizontal, meaning it has no incline?

Back

Zero slope

Front

What describes a situation where one quantity changes by a certain amount and the other quantity changes by a set amount?

Back

Linear relationship

Front

What is the formula for the slope of a line?

Back

Slope = (y2 - y1) / (x2 - x1)

Front

What does a positive slope indicate about a line?

Back

The line rises from left to right.

Front

What does a negative slope indicate about a line?

Back

The line falls from left to right.

Front

What is the y-intercept in the equation y = mx + b?

Back

The value of y when x = 0.

Front

What is the difference between a linear equation and a quadratic equation?

Back

A linear equation has a degree of 1, while a quadratic equation has a degree of 2.