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### High School Mathematics9.6 Slope - III

 Formula: If (x1, y1) and (x2,y2) are any two points on a line the ration (y2 - y1)/(x2 - x1) is constant called the slope of the line, and it is denoted by m. Therefore, m = (y2 - y1)/(x2 - x1) or (y1 - y2)/(x1 - x2). The slope is a ratio of vertical to horizontal distances. Slope = rise/run. Example: If (3,4) and (5,6) are two points on a line find its slope. Solution: Given that two points (3,4) and (5,6) Using above formula m = (y2 - y1)/(x2 - x1) m = (6-4)/(5-3) m = 2/2 m = 1 Directions: Find the slopes of the given lines. Also write at least ten equations of your own and find their slopes.
 Q 1: If (5,6) and (7,8) are two points on a line find its slope.4312 Q 2: If (2,1) and (4,2) are two points on a line find its slope.1/41/21/32 Q 3: If (5,20) and (7,28) are two points on a line find its slope.42/31/43/2 Q 4: If (1,3) and (3,9) are two points on a line find its slope.3456 Q 5: If (6,2) and (9,3) are two points on a line find its slope.1/33/21/21/4 Q 6: If (2,3) and (4,5) are two points on a line find its slope.1523 Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!

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