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slavikrds [6]
3 years ago
9

Please help. Will give brainliest!!

Mathematics
1 answer:
Gre4nikov [31]3 years ago
5 0
Done using cramas method
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Hey, I don´t understand the graphing part of inequalities.
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Answer:

See explaination

Step-by-step explanation:

While graphing inequalities, think of the inequality sign as an equal sign.

So, y=mx+b.

Say the inequality was y>3x+7, I would think fo the > as an equal sign.

So, in your head, "write" it like this: y=3x+7. Hope this helps.

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3 0
4 years ago
Read 2 more answers
How would you find values of m for question 'b'?
Trava [24]
This is known as quadratic algebra.

To find it, you can use the quadratic formula but that might take a while.

We can factor it out and get

-3(mx² + mx - 1)

We can then set mx² + mx = 1

It would have no solutions

Edit: Above is wrong!  I made the mistake of factoring 3 when it cant be factored.  

Here is the solution

mx²-3mx=-3

Divide both by -3

mx²+mx=1

And I really messed this up.  Its been a long time since quad.  Sorry, but I cant seem to get the answer.  Try and look up the quadratic formula and see if you can use that


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