5-Minute Check Lesson 1-3A

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Presentation transcript:

5-Minute Check Lesson 1-3A

1-3 Graphing Linear Equations Graphing lines Finding x and y-intercepts Finding slope given two points Finding zeros of linear functions

Lesson 1-3 Given a linear equation, how do you graph it? Lesson Essential Question: Graphing Linear Equations Given a linear equation, how do you graph it? Vocabulary Linear Equation X-intercept Y-intercept Slope Standard Form Slope-intercept form Zero of a function Constant function

Graphing equations of lines What would you do to graph the following equation? 3x -y – 2 = 0

Slope of a line

Finding zeros A zero of a function is when f(x)= 0. A zero is when a function crosses the x-axis Example #3 Find the zero of f(x) = - x - 3

Constant linear functions Sketch a sample graph for each of the following slopes : positive, negative, zero, undefined. Are each of the graphs above functions?