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WRITING THE EQUATION OF A LINE

WRITING THE EQUATION OF A LINE. Slope intercept form of a line. Y = mx+ b b is the y-intercept – point where it intersect the y – axis. m is the slope of the line. Rise over run. Steps to follow. Y=mx + b

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WRITING THE EQUATION OF A LINE

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  1. WRITING THE EQUATION OF A LINE

  2. Slope intercept form of a line • Y = mx+ b • b is the y-intercept – point where it intersect the y – axis. • m is the slope of the line. Rise over run.

  3. Steps to follow • Y=mx + b • Find where the line intersects the y-axis, put that number in the b spot of the equation. • Decide if the slope is positive or negative, put that in front of the x leaving room for a number. • Draw a right triangle on the line. It must go thru an exact corner. This triangle will help identify the rise and the run of the line. • Write the number for the slope in lowest terms.

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