Find the value of k so that the system has infinitely many solutions. 2x-y=2 ;5x+ky=5

Answers (1)

 2 variable algebric equations are   ; a_1x+b_1y=c_1;; ;a_2x+b_2y=c_2

For ; ; infinite; ; solution ; ; fraca_1a_2=fracb_1b_2=fracc_1c_2

                                                     frac25=frac(-1)k=frac25

                                                     k=frac-52=-2.5

 

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