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Identifying Graphs of Linear Equations

Identifying Graphs of Linear Equations. Slope m, y-intercept form y = mx + b. Which graph represents:. Positive slope. Slope m. y-intercept. Start by identifying the y-intercept. Where does the line cross the y-axis?. The variable b represents the y-intercept . Negative slope.

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Identifying Graphs of Linear Equations

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  1. Identifying Graphsof Linear Equations Slope m, y-intercept form y = mx + b

  2. Which graph represents: Positive slope Slope m y-intercept Start by identifying the y-intercept. Where does the line cross the y-axis? The variable b represents the y-intercept. Negative slope Negative slope The line will cross the y-axis at positive 2. The variable m represents the slope of the line. The slope of this line is positive 2.

  3. Which graph represents: Positive slope Slope m y-intercept Start by identifying the y-intercept. Where does the line cross the y-axis? The variable b represents the y-intercept. Negative slope Rise -2 Negative slope The line will cross the y-axis at positive 2. Rise -1 Run 2 The variable m represents the slope of the line. Run 1 The slope of this line is negative 2.

  4. Which graph represents: Positive slope y-intercept Slope m Start by identifying the y-intercept. Where does the line cross the y-axis? The variable b represents the y-intercept. The line will cross the y-axis at positive 1. (+1) Negative slope The variable m represents the slope of the line. The slope of this line is positive 1/4.

  5. Which graph represents: Positive slope y-intercept Slope m Start by identifying the y-intercept. Where does the line cross the y-axis? The variable b represents the y-intercept. The line will cross the y-axis at positive 1. (+1) Negative slope The variable m represents the slope of the line. The slope of this line is negative 1/4.

  6. Which graph represents: Positive slope y-intercept Slope m Positive slope Start by identifying the y-intercept. Where does the line cross the y-axis? The variable b represents the y-intercept. The line will cross the y-axis at negative 1. (-1) Negative slope The variable m represents the slope of the line. The slope of this line is positive 1/4.

  7. Which graph represents: Run 2 Negative slope Slope m y-intercept Rise 2 Start by identifying the y-intercept. Where does the line cross the y-axis? The variable b represents the y-intercept. Run 2 The line will cross the y-axis at negative 2. (-2) Negative slope The variable m represents the slope of the line. Rise 3 The slope of this line is positive 1 (identity property of multiplication.)

  8. Challenge: Identify the equation for each line graphed. y = m x + b y = m x + b y = m x + b y-intercept y-intercept y-intercept Where m = slope; Where m = slope; Where m = slope; Where b = y-intercept Where b = y-intercept Where b = y-intercept

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