3 years ago

Which order pair is a solution of the inequality 4x – 2y > 20?

1 answer:

3 0

Let's solve for all of the ordered pairs...

A. (2,-7)

4x-2y>20
4(2)-2(-7)>20
8+14>20
22>20
True

B. (-2,-7)

4x-2y>20
4(-2)-2(-7)>20
-8+14>20
6>20
Not true

C. (-2,7)
4x-2y>20
4(-2)-2(7)>20
-8-14>20
-22>20
Not true

D. (2,7)
4x-2y>20
4(2)-2(7)>20
8-14>20
-6>20
Not true

A is the correct answer

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