For which function is the ordered pair (4, 12) not a solution? y = 3 x y = 16 - x y = x + 8 y = 8 - x
2 answers:
Answer:
Last one:
<h3><u>y = 8 - x</u></h3>
Step-by-step explanation:
y = 8 - x
<h3>Replace x and y in this function </h3>
12 = 8 - 4
12 = 4 (impossible)
<h3>So, (4 , 12) is not solution for: y = 8 - x</h3>
if an ordered pair is a solution, it should satisfy the equation.
see the first option
, if you put $x=4$ and $y=12$
you'll get $12=12$ which is true.
now the last option, $y=8-x$ put $x=4$ and $y=12$
$12=8-4\implies 12\ne4$ thus it is not a solution.
So option 4 is correct
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