What is the slope of the line passing through points A and B?https://static.k12.com/calms_media/media/213000_213500/213128/1/bb67f52af7a1f8a2d7a9040e4f8f2033cda0b519/VHS_ALG_L2_S1_07_15_UT_11.gif
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jimthompson5910 (jim_thompson5910):
are you able to determine the coordinates of point A?
OpenStudy (scarlettfarra2000):
A and B
A)4
B)1/4
C)-1/4
D)-4
jimthompson5910 (jim_thompson5910):
where is point A located?
OpenStudy (scarlettfarra2000):
1,0 right?
jimthompson5910 (jim_thompson5910):
you have the x and y coordinates mixed up
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jimthompson5910 (jim_thompson5910):
and don't forget to use parenthesis
jimthompson5910 (jim_thompson5910):
A is at (0,1)
jimthompson5910 (jim_thompson5910):
where is point B located?
OpenStudy (scarlettfarra2000):
(2,4)
jimthompson5910 (jim_thompson5910):
again, you mixed up x and y
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OpenStudy (scarlettfarra2000):
(4,2)
jimthompson5910 (jim_thompson5910):
yep
jimthompson5910 (jim_thompson5910):
now you'll use the slope formula
m = (y2 - y1)/(x2 - x1)
OpenStudy (scarlettfarra2000):
m=(1^2-2^2)(4^2-0^2)
jimthompson5910 (jim_thompson5910):
the y2 doesn't mean y^2
it's just a way of labeling the y coordinate
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jimthompson5910 (jim_thompson5910):
\[\Large m = \frac{y_2 - y_1}{x_2 - x_1}\]
\[\Large m = \frac{2-1}{4-0}\]
\[\Large m = ???\]