Answers:
A, C, & E
Step-by-step explanation:
To see which ordered pairs work in the inequality, substitute the ordered pairs in for the variables. If you get a true statement, this means the pair is a solution to the inequality.
A. 3, 18
-3x + y > 7
-3(3) + 18 > 7
-9 + 18 > 7
9 > 7 Correct :)
3, 18 is a solution to this inequality.
B. -2, -3
-3(-2) + -3 > 7
6 + -3 > 7
3 > 7 Incorrect :(
-2, -3 is not a solution to this inequality.
C. -1, 8
-3(-1) + 8 > 7
3 + 8 > 7
11 > 7 Correct :)
-1, 8 is a solution to this inequality
D. 1, 9
-3(1) + 9 > 7
-3 + 9 > 7
6 > 7 Incorrect :(
1, 9 is not a solution to this inequality.
E. 0, 7
-3(0) + 7 > 7
0 + 7 > 7
7 > 7 Correct :)
0, 7 is a solution to this inequality.
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