Question

(8, 1) (k, _4) (2, _5) what is the k value

Answer 1

Answer:

k=7/2

Step-by-step explanation:

=1/2{(8*4+5k+2*1)-(k+8+40)

={32+2+5k-k-48}

={-48+34+4k}

={4k-14}

4k=14

k=14/4

k=7/2