How do you find x if a line passes through points (x, 7) and (3, 2) and the slope of the line is 1/2?

Answer 1

Set #\frac{rise}{run}=\frac{7-2}{x-3}=\frac{5}{x-3}# equal to the slope #1/2#. Then "cross multiply" to get #10=x-3#. Finally, and 3 to both sides to get #x=13#.

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Answer 2

Isaiah Anthony

You can use the slope formula:

slope = (y2 - y1) / (x2 - x1)

Given the slope is 1/2 and one point is (3, 2), and the other point is (x, 7), you can plug in the values and solve for x.

So, (2 - 7) / (3 - x) = 1/2.

Solving this equation will give you the value of x.

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Answer from HIX Tutor

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.