initially we find slope (m)
m=\frac{y_2-y_1}{x_2-x_1}=\frac{-1-(-1)}{4-2}= 0 $
since slope is 0 the equation will be equation of horizontal line which is y=y_1
Thus
y = -1
Math question: Find the slope-intercept equation of a line passing through points (-2, 4) and (3, 1).
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What is the Pythagorean Theorem and how is it used to find the length of one side of a right triangle when the lengths of the other two sides are known?