Horizontal and Vertical Lines

Front

What is the slope of a line parallel to the line represented by the equation 5x + 2y = 8?

Back

The slope of a line parallel to the line represented by the equation 5x + 2y = 8 is -5/2.

Front

What is the slope of a line perpendicular to the line represented by the equation 5x + 2y = 8?

Back

The slope of a line perpendicular to the line represented by the equation 5x + 2y = 8 is 2/5.

Front

What is the general form of the equation of a horizontal line?

Back

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

Front

What is the general form of the equation of a vertical line?

Back

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

Front

How can you determine if two lines are parallel?

Back

Two lines are parallel if they have the same slope.

Front

How can you determine if two lines are perpendicular?

Back

Two lines are perpendicular if the product of their slopes is -1.

Front

What does the equation y = 1 represent on a graph?

Back

The equation y = 1 represents a horizontal line that crosses the y-axis at 1.

Front

What does the equation x = 5 represent on a graph?

Back

The equation x = 5 represents a vertical line that crosses the x-axis at 5.

Front

What is the significance of the y-intercept in a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis, represented by the value of y when x = 0.

Front

What is the significance of the x-intercept in a linear equation?

Back

The x-intercept is the point where the line crosses the x-axis, represented by the value of x when y = 0.