Graphing Inequalities in Two Variables

Front

What is a y-intercept?

Back

The y-intercept of a graph is the y-coordinate of the point where the line crosses the y-axis.

Front

How do you find the y-intercept from a linear equation?

Back

Front

Back

Front

Back

The point (5, 2) satisfies the inequality.

Front

What is the slope-intercept form of a linear equation?

Back

Front

How do you determine if a point is a solution to an inequality?

Back

Substitute the x and y values of the point into the inequality. If the inequality holds true, the point is a solution.

Front

Back

Front

What is the significance of the slope in a linear equation?

Back

The slope indicates the steepness and direction of the line; a positive slope rises, while a negative slope falls.

Front

How can you find the x-intercept of a linear equation?

Back

Front

What does it mean if a line is horizontal?

Back

A horizontal line has a slope of 0 and represents a constant y-value for all x-values.