You can put this solution on YOUR website! Let x = 0
Then 3y = - 36 ie. y = -12 means its y intercept = -12
Let y = 0
Then 0 = 9x – 36 ie. x = 4 means x intercept = 4
Therefore the area of the required triangle = ½ base x altitude = ½ (4)(12) = 24 sq. units
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