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PLEASE HELP

Use the distance formula d=(x2−x1)2+(y2−y1)2−−−−−−−−−−−−−−−−−−√

to find the length of the line with endpoints at (1,3) and (3,1)?


Question 2 options:


8√



8


32−−√



32
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Question 3 (1 point)
Question 3 Saved

What is the slope of the line that is perpendicular to a line whose equeation is 3y = -4x + 2 ?
Question 3 options:


34



-34



43



-43

User Sera
by
6.2k points

1 Answer

1 vote
2.


d = √((x_2 - x_1)^2 + (y_2 - y_1)^2)


d = √((3 - 1)^2 + (1 - 3)^2)


d = √((2)^2 + (2)^2)


d = √(4 + 4)


d = √(8)

3.


3y = -4x + 2


y = - (4)/(3) x + (2)/(3)

Slope of line of given equation is -4/3.

Slope of perpendicular is -3/4.
User Jon Mitchell
by
6.3k points