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Using the slope formula, find the slope of the line through the given points.
$(2,2)$ and $(7,7)$

What is the slope of the line? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. The slope of the line is $\square$. (Type an integer or a simplified fraction.)
B. The slope of the line is undefined.

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Answer

So, the final answer is $\boxed{1}$.

Steps

Step 1 ：Given two points (2,2) and (7,7).

Step 2 ：The formula to calculate the slope is $ \frac{y2 - y1}{x2 - x1} $.

Step 3 ：Substitute the given points into the formula, we get $ \frac{7 - 2}{7 - 2} $.

Step 4 ：Simplify the expression to get the slope as 1.

Step 5 ：So, the final answer is $\boxed{1}$.