Discussion
If x is an integer and y = –3x + 7, what is the least value of x for which y is less than 1?
*This question is included in Nova Math - Diagnostic/Review:, question #17
(A) | 1 |
(B) | ... |
(C) | ... |
(D) | ... |
(E) | ... |
(F) | ... |
The solution is
Posted: 08/21/2015 08:58
I solved this question using substitution since I knew x was an integer: I tried x=1, then x=2, then x=3, did the quick arithmetic and got the answer.