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polet [3.4K]
3 years ago
13

Help!! I have no clue

Mathematics
2 answers:
netineya [11]3 years ago
5 0

So we know that an ordered pair looks like (x,y), right? For this inequality, we're supposed to plug in the values of x and y. If it isn't true, then the inequality does not represent the ordered pair.

First option: (0,1)

2x + 3y \geq -1 --> 2(0) + 3(1) \geq -1 --> 5 \geq -1

So this option is correct.

Second option: (-2,1)

2x + 3y \geq -1 --> 2(-2) + 3(1) \geq -1

--> -4 + 3 \geq -1 --> -1 \geq -1

This is also correct.

Third option: (-6,0)

2(-6) + 3(0) \geq -1 --> -12 \geq -1

This is not true, so this option is not correct.

Fourth option: (0,-1)

2(0) + 3(-1) \geq -1 --> -3 \geq -1

This is not correct.

Fifth option: (2,-1)

2(2) + 3(-1) \geq -1 --> 4 - 3 \geq -1

This is correct.

VikaD [51]3 years ago
3 0

okay so you just plug in the x and ys. x is the first number, y is the second. then you just do them all out

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In how many ways can you choose 2 side dishes out of 8
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