In Exercises 20 a Point P is given on a line and the slope of the line given. Sketch the line and find the coordinates of two other points on the line. The Question Is: P(0,2); Slope - -1/2nd. Show Work (:
(1) find first the equation of the line given the slope and a point of the line. m=1/2 p(0,2) use the formula \[y-y _{1}=m(x-x _{1})\]to find the equation of the line. (2) if you already have the equation of the line, use graphical method: assume value of x to find the value of y. since we have a positive value of slope, therefor line inclined to the right side of the cartesian plane touching the point given. . |dw:1328053772958:dw| since two points determine already a line, use only 0 and 1 as value of x, the find value of y.
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