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If y = 7x - 5, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?

{(-5, 0), (9, 2), (-26, -3)}
{(2,7), (1,6), (3, 13)}
{(0, -5), (2,9), (-3, -26)}
{(1, 3), (6, 18), (8, 15)}

1 Answer

3 votes

option c {(0, -5), (2,9), (-3, -26)} is correct . All others doesn't satisfy the equation .

Explanation:

We have , If y = 7x - 5, following set of ordered pairs {(0, -5), (2,9), (-3, -26)} . Let's check for this

(0, -5):


y = 7x-5


y = 7(0)-5


y =-5

So , it's correct ordered pair .

(2,9):


y = 7x-5


y = 7(2)-5


y =9

So , it's correct ordered pair .

(-3,-26):


y = 7x-5


y = 7(-3)-5


y =-26

So , it's correct ordered pair .

Therefore, option c {(0, -5), (2,9), (-3, -26)} is correct . All others doesn't satisfy the equation .

User Yati Sagade
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