Question

Which of the ordered pairs in the form (x, y) is a solution of this equation?


Three x minus begin fraction y over four end fraction equals eleven
(3, –8), (4, 4)



A.
The first is not a solution, but the second is.

B.
Neither is a solution.

C.
The first is a solution, but the second is not.

D.
Both are solutions.

Answer 1

3x - y/4 = 11
now we sub in our answer choices to see if they are correct

(3,-8)...x = 3 and y = -8
3(3) - 8/4 = 11
9 - 2 = 11
7 = 11....nope...this is incorrect

now try (4,4)...x = 4 and y = 4
3(4) - 4/4 = 11
12 - 1 = 11
11 = 11....this one is correct

any questions ?

Answer 2

Thanks! I think I got it!