Question 41454
Test Them:
(–1, 2)
x + 4y = 7
-1 + 4(2) = 7
-1 + 8 = 7
This pair is correct!
(7, 0)
x + 4y = 7
7 + 4(0) = 7
7 + 0 = 7
This pair is good!
(3, –1)
x + 4y = 7
3 + 4(-1) = 7
3 - 4 = 7
This is not a correct pair.
(–17, 6)
x + 4y = 7
-17 + 4(6) = 7
-17 + 24 = 7
This pair works!
{{{ graph( 600, 700, -17, 7, -10, 10, -x/4 + 7/4) }}}