# lesson 4.3 graphing horizontal & vertical lines

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Lesson 4.3 Graphing Horizontal & Vertical Lines. Mr. Beltz & Mr. Sparks. Horizontal. Think Horizon…left & right. Vertical. Think of Mr. Beltz’s Vertical Jump in basketball. (Up & Down). Linear equations Review. All linear equations can be written in the form: Ax + By = C. - PowerPoint PPT Presentation

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• Lesson 4.3 Graphing Horizontal & Vertical LinesMr. Beltz &Mr. Sparks

• HorizontalThink Horizonleft & right.

• VerticalThink of Mr. Beltzs Vertical Jump in basketball. (Up & Down)

• Linear equations ReviewAll linear equations can be written in the form: Ax + By = C

• Horizontal LinesAx + By = C

When A = 0The equation reduces to By = C

This results in a HORIZONTAL LINE(Example 1)

• Vertical LinesAx + By = C

When B = 0The equation reduces to Ax = C

This results in a VERTICAL LINE(Example 2)

• SummaryIf y = b Horizontal LineIf x = a Vertical Line

• Writing an Equation of a line.The graph is a vertical line. The x-coordinate is always -2.

The equation of the line is x= -2

(Example 3a)

• Write an Equation of a line.The graph is a horizontal line. The y-coordinate is always 4.

The equation of the line is y=4.

(Example 3b)

• PracticeComplete #1-8 on pages 216-217.

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