The straight line passing through the point P(2,1) and the point Q(k,11) has gradient (a) Find the equation of the line in terms of x and y only. (b) Determine the value of k Not sure how to go about doing this question.
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Originally Posted by Tweety The straight line passing through the point P(2,1) and the point Q(k,11) has gradient (a) Find the equation of the line in terms of x and y only. (b) Determine the value of k Not sure how to go about doing this question. Hi Tweety, Let's use the point-slope form of the linear equation: . If you have to convert this equation to slope-intercept or standard form, I'll assume you can handle that task. As far as finding k, let's set up the slope formula with k in it like this:
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