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Mrfootballman97
 one year ago
Best ResponseYou've already chosen the best response.0Find the slope of (a) dw:1365962439060:dw 1. A(2, 0) and B(4,4)

Mrfootballman97
 one year ago
Best ResponseYou've already chosen the best response.0I guess just find the slope of A(2,0) and B(4,4)

Jonask
 one year ago
Best ResponseYou've already chosen the best response.1\[\huge slope_{AB}=\frac{y_By_A}{x_Bx_A}\]

Mrfootballman97
 one year ago
Best ResponseYou've already chosen the best response.0The answer is 2/3. How do they get this?

Jonask
 one year ago
Best ResponseYou've already chosen the best response.1if you use the formular on top taking the difference in y coordinates and the differnce in the x cordintaes you get the slope

Mrfootballman97
 one year ago
Best ResponseYou've already chosen the best response.0So YB is 4 right? so i 40=4. and then for x its, 4(2)= 6. So 4/6?

Mrfootballman97
 one year ago
Best ResponseYou've already chosen the best response.0and then you divide right?

Mrfootballman97
 one year ago
Best ResponseYou've already chosen the best response.0so is 0.6666666667 2/3?

Mrfootballman97
 one year ago
Best ResponseYou've already chosen the best response.0So now that i know the slope is 2/3, how can i tell if anything is parallel to line AB? And then how can i tell what is perpendicular to line AB

Jonask
 one year ago
Best ResponseYou've already chosen the best response.1parrallel means same slope so if a line \[l\] is parrallel and its gradient (slope)is \[\huge m_l\] then \[\huge m_l=m_{AB}\] for perpendicular\[\huge m_{l}m_{AB}=1\]
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