Warm Up 12/13

Front

What is the equation of a horizontal line?

Back

The equation of a horizontal line is of the form y = c, where c is a constant.

Front

What is the equation of a vertical line?

Back

The equation of a vertical line is of the form x = c, where c is a constant.

Front

What does the equation y = 1 represent?

Back

It represents a horizontal line that crosses the y-axis at 1.

Front

What does the equation x = 4 represent?

Back

It represents a vertical line that crosses the x-axis at 4.

Front

What is the general form of a linear equation?

Back

The general form of a linear equation is y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you identify a horizontal line from its equation?

Back

A horizontal line has an equation of the form y = c, where c is a constant.

Front

How do you identify a vertical line from its equation?

Back

A vertical line has an equation of the form x = c, where c is a constant.

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is 0.

Front

What is the slope of a vertical line?

Back

The slope of a vertical line is undefined.

Front

If y = -4, what type of line does this represent?

Back

This represents a horizontal line that crosses the y-axis at -4.