HistoryIsMyThing HistoryIsMyThing

10-02-2015
Mathematics

Answered

PLEASE HELP

Which pairs are solutions to the equation?

3xy + 9 = 33

A.
(8, 1) and (2, 6)

B.
(1, 11) and (2, 6)

C.
(1, 8) and (8, 1)

D.
(1, 8) and (1, 11)

Answer :

britnyparker britnyparker

10-02-2015

3xy+9=33

A. 3*8*1+9=33; 3*2*6+9=45

(A. is not your answer)

B. 3*1*11+9=42; 3*2*6+9=45

(B. is not your answer)

C. 3*1*8+9=33; 3*8*1+9=33

(c. is your answer)

D. 3*1*8+9=33; 3*1*11+9=42

Your final answer, If that is confusing, is C. (1,8) and (8,1)

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