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Mathematics 20 Online
OpenStudy (scarlettfarra2000):

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

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

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

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

jimthompson5910 (jim_thompson5910):

\[\Large m = \frac{y_2 - y_1}{x_2 - x_1}\] \[\Large m = \frac{2-1}{4-0}\] \[\Large m = ???\]

OpenStudy (scarlettfarra2000):

1/4

jimthompson5910 (jim_thompson5910):

yep, that's the final answer

OpenStudy (scarlettfarra2000):

Thank you so much

jimthompson5910 (jim_thompson5910):

you're welcome

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