mel2169 mel2169

18-12-2014
Mathematics

Answered

Which ordered pairs are solutions to the equation?
y = 3x – 4

A. (11, 5) and (2, 2)
B. (5, 11) and (3, 2)
C. (5, 11) and (2, 3)
D. (5, 11) and (2, 2)

Answer :

SassyPi SassyPi

19-12-2014

To solve this you want to plug in your x's and y's to see if they match.

A. 3(11)-4=33-4=29 and 29 is not equal to 5 so A is not a solution

B.3(5)-4=15-4=11=11 3(3)-4=9-4=5 and 5 is not equal to 2 so B is not a solution

C. 3(2)-4= 6-4=2 2 is not equal to 3 so C is not a solution

D is the answer. 3(5)-4=11 and 3(2)-4= 2

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