GRAPHING LINEAR INEQUALITIES How to Determine the Type of Line to Draw Inequality Symbol Type of Line > or <Dotted Line > or <Solid Line.

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Presentation transcript:

GRAPHING LINEAR INEQUALITIES

How to Determine the Type of Line to Draw Inequality Symbol Type of Line > or <Dotted Line > or <Solid Line

Choose the type of line for the inequality given. 1. y > 3x - 2 a. Solidb. Dotted 2. y > ¼x - 5 a. Solidb. Dotted

Choose the inequality symbol for the line shown. < or >

Choose the inequality symbol for the line shown. < or >

If the inequality is: Shade y > mx + b or y > mx + b Above the line y < mx + b or y < mx + b Below the line

x y Graph y > x Graph the line y = x Since y >, shade above the line.

x y Graph y < x Graph the line y = x Since y <, shade below the line.

x y Graph y > x Since y >, shade above the line. 1. Graph the line y = x - 2, but make the line dotted.

x y Graph y < x Graph the line y = x - 2, but make the line dotted. 2. Since y <, shade below the line.

x y Graph y > -½x + 3 Type of line: Solid Dotted

x y Graph y > -½x + 3 Type of line: Solid Dotted Shade ___ the line. AboveBelow Lesson Start

x y Graph y > -½x + 3 Type of line: Solid Dotted Shade ___ the line. AboveBelow

x y Choose the correct inequality for the graph shown. y < 1/3 x + 2 y < 1/3 x + 2 y > 1/3 x + 2 y > 1/3 x + 2

Where to Shade for Undefined or No Slopes: The inequality must be in x >, >, <, or < # (no y) format.

If the inequality is: Shade To the x > # or x > # Right of the line x < # or x < # Left of the line

x y Graph x > Draw a dotted vertical line at x = Shade to the right of the line.

x y Graph x < Graph the line X = Shade to the left of the line.

x y Graph x > 3. Choose type of line. Solid Dotted

x y Graph x > 3. Choose type of line. Solid Choose where to shade. Left Right

x y Graph x > 3. Choose type of line. Solid Choose where to shade. Right

Solve -3x - 2y < 12.+3x -2y < 3x y < -3/2 x - 6 >

Choose the correct inequality. 1. 2x + 5y > -10 y > -2/5 x - 2 y < -2/5 x - 2 y > 2/5 x + 2 y < 2/5 x x - 2y > 10 y > -2/3 x - 5 y < -2/3 x - 5 y > 2/3 x - 5 y < 2/3 x - 5