Q. Find the slope of the line passing through the points (−4,5) and (−4,−2)
Identify Coordinates: Identify the coordinates of the two points.The first point is (−4,5), which means x1=−4 and y1=5.The second point is (−4,−2), which means x2=−4 and y2=−2.
Use Slope Formula: Use the slope formula.The slope m of a line passing through two points (x1,y1) and (x2,y2) is given by m=x2−x1y2−y1.
Substitute Coordinates: Substitute the coordinates into the slope formula. m=−4−(−4)−2−5
Perform Calculations: Perform the calculations.m=0−7
Recognize Undefined Slope: Recognize that division by zero is undefined. Since the denominator is 0, the slope is undefined. This means the line is vertical.
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