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# A1 3 linear fxns notes

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• 1. Algebra 1<br />Slope<br />Slope = ------------------- = ------------------------------------<br />EX1: What is the slope of the following graph?<br />What is the y-intercept of this graph?<br />EX2:What is the slope of the line going through the ordered pairs (4, 2) and (-3, 16)?<br />The most common form for a linear equation is called __________________________________.<br />The equation for this form is: ________________________________<br />
• x represents the _________________________
• 2. y represents the _________________________
• 3. m is the _____________________ of the line
• 4. b is the ___________________________________
To graph a line in this form:<br />
• Plot the _______________________________ first. (It’s the one point on the line that you already know.)
• 5. _____________________________________________, use the slope to rise and run to the next point.
• 6. _______________________________ with a line.
320040022161500EX3:Graph the line y=23x-1.<br />377190031940500308610031940500EX4:The following graph has a slope of 2 and a y-intercept at (0, -1). What is the equation for the line?<br />