If the points are: (4, 8) and (2, 4)
Then the slope is: 8-4/4-2 = 4/2 = 2
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For example of the points: (4, 5) and (7, 9) Slope: (5-9)/(4-7) = (-4)/(-3) = 4/3
There are a few steps to rewriting expressions. The steps of rewriting expressions are finding the value of the letter and then using the common factor.
The prime factors of 42 are 2, 3 and 7
the square root of 9 is 3 so 1 +3 = 4
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