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### 9 Cards in this Set

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 Slope Slope is the steepness of a line of an equation. It an be found by using the equation m=y2-y1/x2-x1 (EX) find the slope of (2,2) (5,3) 3-2=1 5-2=-3 So m=-1/3 Slope intercept form A linear equation y=mx+b where m is the slope and b is the y intercept (EX) slope=4 and y int=12 y=4x+12 Horizontal line Runs left to right and only across the y axis it NEVER touches the x axis the slope is always 0 (EX) 0/5= horizontal line Point-Slope form (y - y1) = m(x - x1). You need to know or find the slope and at least 1 point on the line (x1,y1) slope=7, x1=3 and y1=5 (y-5)=7(x-3) y-5=7x-21 change to y=7x-21+5 and that equals y=7x-16 x-intercept Where the line crosses the x axis on a graph (EX) (2,0) y is always zero y-intercept Where the line crosses the y axis on a graph (EX) (0,12) x is always zero Slope formula the slope formula is y2-y1/x2-x1. Once you get your answer, simplify and leave it as a fraction (EX) find the slope with (6,3) (9,12) 12-3=9 9-6=3... so its 9/3 simplified 3/1 Vertical line In a Fraction, if 0 is the denominator then its a vertical line. runs up and down and NEVER touches the x axis. Slope is always undefined (EX) 18/0 slope is undefined. Vertical Line Standard form Ax + By = C. a linear equation where A and B are real numbers. There cannot be fractions or decimals in this equation (EX) Given y=14x+6 the standard form of this is 14x-y=6
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