find the ordered pairs for y=-2x+6

Question

the given ordered pairs (0, x) (7,x) (x,20)

Answer 1

Plug in the zero

-2(0) + 6 = 0 +6 = 6  ---> (0,6)

 

Plug in the 7

-2(7)+6 = -14+6 = -8 ---> (7,-8)

 

 

set it equal to 20 and solve for x

20 = -2x + 6

14  = -2x

x=-7

(-7,20)