How to solve this ? A straight line L passes through the point (0,-1) and is parallel to the straight line y=3x+1 a) write down the equation of the straight line L. b) Given that L passes through the point (2,b) find the value of b.
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Originally Posted by haftakhan How to solve this ? A straight line L passes through the point (0,-1) and is parallel to the straight line y=3x+1 a) write down the equation of the straight line L. b) Given that L passes through the point (2,b) find the value of b. The slope will be 3 and the y-intercept (0,-1).
cant understand ur answer
Originally Posted by haftakhan cant understand ur answer Are you saying that you cannot use the slope intercept form?
Originally Posted by haftakhan How to solve this ? A straight line L passes through the point (0,-1) and is parallel to the straight line y=3x+1 a) write down the equation of the straight line L. b) Given that L passes through the point (2,b) find the value of b. A slope of all lines parallel to y=3x+1 is 3(why?) So, for (a), you have m=3 and some point on this line , that is (0,-1)... can you construct this line?