what is the slope of the line passing through points a and b
http://static.k12.com/calms_media/media/213000_213500/213129/1/e3a498823b2d5ca19da7cbce74e7be35b2531ce7/VHS_ALG_L2_S1_07_15_UT_12.gif
a.)-2
b.)2
c.)-1/2
d.)1/2

Question

what is the slope of the line passing through points a and b
http://static.k12.com/calms_media/media/213000_213500/213129/1/e3a498823b2d5ca19da7cbce74e7be35b2531ce7/VHS_ALG_L2_S1_07_15_UT_12.gif
a.)-2
b.)2
c.)-1/2
d.)1/2

anonymous · Answer

need help

anonymous · Answer

I will give a medal to first correct answer!

anonymous · Answer

C 
because 
a=(Ya-Yb)/(Xa-Xb)
a=(4-2)/(-3-1)
a=2/-4
a=- 0.5 :)

anonymous · Answer

thank you