Question

Find the equation of the straight line passing through the point 6,2 and having slope -3

Answer 1

Answer:

The equation is:

y = -3x + 20

Explanation:

Let us solve for x=0.

If x increases by 1, y decreases by 3.

Let us reduce x by 6 and add 6×3=18 to y.

Our new point is (0,20).

So the equation is:

y = (Slope) × x +( y value at x=0)

y = -3x + 20

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