Algebra 1 Unit 4 Review Graphs of EquationsGraphs of Equations.

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Presentation transcript:

Algebra 1 Unit 4 Review Graphs of EquationsGraphs of Equations

Standards Test Standards: Standard 32. Identify coordinates of points. Standard 33: Plot points in the coordinate plane. Standard 34: Graph a linear function using an equation. Standard 35: Determine the slope of a line given a graph. Standard 36: Determine the slope of a line given two points. Standard 37: Identify the x and y intercepts of a function given their graph. Standard 38: Graph horizontal and vertical lines and determine their slope. Standard 39: Identify slope and y-intercept of a given line in a real-world application and describe their importance to the context of the problem.

Standard 32: Identify coordinates of points.

Standard 33: Plot points in the coordinate plane. Plot these points on the coordinate plane: Plot these points on the coordinate plane: (-2, 7) (-2, 7) (0, 1) (0, 1) (3, -6) (3, -6) (- 4, -2) (- 4, -2)

Standard 34: Graph a linear function. Graph the linear functions Graph the linear functions Y = 2x – 6 Y = 2x – 6 Y = - 3x + 1 Y = - 3x + 1

Standard 35: Determine the slope of a line given a graph. Determine the slope of the lines, given the graphs. Determine the slope of the lines, given the graphs.

Standard 36: Determine the slope of a line given two points. Determine the slope of the line through the given points. Determine the slope of the line through the given points. (-1, 6) and ( 9, 23) (-1, 6) and ( 9, 23) (-4, 12) and (-1, 9) (-4, 12) and (-1, 9)

Standard 37: Identify the x and y intercepts of a function given their graph.

Standard 38: Graph horizontal and vertical lines and determine their slope. Draw a graph of a horizontal line. Give its slope Draw a graph of a horizontal line. Give its slope Draw a graph of a vertical line. Give its slope. Draw a graph of a vertical line. Give its slope.

Standard 39: Identify slope and y-intercept of a given line in a real-world application and describe their importance to the context of the problem. Laura lights a candle in her kitchen. The height of the candle is represented by the equation y = - ½ x + 6, where x is the time in hours the candle has been burning and y is the height of the candle in inches. Laura lights a candle in her kitchen. The height of the candle is represented by the equation y = - ½ x + 6, where x is the time in hours the candle has been burning and y is the height of the candle in inches. What was the height of the candle before Laura lit it? What was the height of the candle before Laura lit it? What is the slope of the equation? What does this mean in the context of the problem? What is the slope of the equation? What does this mean in the context of the problem?