Question

For each ordered pair, determine whether it is a solution to the system of equations.

9x-2y=8
-7x+3y=1

(2,5),(-8,1),(-4,-9),(0,-4)

Answer 1

so just substitute these numbers from parentheses on place of x and y and check it than are or not solution of the system

ok ?

Answer 2

for example the first parantheses

(2,5)

x=2
y=5

9x-2y=8
-7x+3y=1

9*2 -2*5=8
-7*2+3*5=1

18-10=8 yes is true
-14+15=1 yes is true

so than this is right

continue and try checking the second pair and ... so