# A line passes through #(9 ,2 )# and #( 3, 8 )#. A second line passes through #( 4, 1 )#. What is one other point that the second line may pass through if it is parallel to the first line?

(3 , 2 )

There are an infinite number of points that will lie on the same line as (4,1) with a gradient of -1

However , by the definition of gradient , from (4,1) , move 1 to the left and 1 up ( which means subtract 1 from x-coord and add 1 to the y-coord ) you will get a point on the line.

hence (4,1) →(4-1,1+1) → (3,2) is a point on the same line. other points may be found in the same way.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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- What is the slope of the line through P(2, 8) and Q(0, 8)?
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