find the equation of aline has y intercept-4 and is parallel to line joining(2,5) and(1,2).
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If the two lines are parallel, then their gradients are equal.
The gradient of a line is given by Δy/Δx
So the gradients of the line = (5-2)/(2-1) = 3
The general equation of a straight line is y = mx + c; where m is the gradient and c is the y-intercept
So the required equation is:
y = 3x - 4
The gradient of a line is given by Δy/Δx
So the gradients of the line = (5-2)/(2-1) = 3
The general equation of a straight line is y = mx + c; where m is the gradient and c is the y-intercept
So the required equation is:
y = 3x - 4
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