A line passes through (4, 5) and (8,9). Which equation best represents the line?
1 answer:
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Two lines are perpendicular when the product between the slopes of the lines is equal to -1, then, if we have the following lines:
they will be perpendicular if,
According to the exercise, the first line is:
the slope for this line is -4.
Write the equation that makes two lines perpendicular,
solve for m2,
Answer:
The slope of the line perpendicular to y=-4x+7 is 1/4.
