The y -intercept of the graph of 12 x + 2 y = 18 in the xy -plane is 0

Question

The y -intercept of the graph of 12 x + 2 y = 18 in the xy -plane is 0 , y . What is the value of y ?

Accepted Answer

The correct answer is 9 . It's given that the y -intercept of the graph of 12 x + 2 y = 18 in the xy -plane is 0 , y . Substituting 0 for x in the equation 12 x + 2 y = 18 yields 12 0 + 2 y = 18 , or 2 y = 18 . Dividing both sides of this equation by 2 yields y = 9 . Therefore, the value of y is 9 .

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