Equation for a Vertical Line and a Horizontal Line

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Presentation transcript:

Equation for a Vertical Line and a Horizontal Line

Equation for a Horizontal Line What is the equation for the line below? Make a Table: X Y -8 7 Notice how all of the y-values are the same: 7. 7 2 7 7 7 The equation of a horizontal line is always of the form: y = a number

Equation for a Vertical Line Graph the following equation: Make a Table: Notice the equation says the x-value is always the same: -4. Plot the points X Y -4 -9 -4 -3 Now choose random numbers for the y-values. -4 3 -4 6 Connect the points The equation of a vertical line is always of the form: x = a number