Would someone mind checking my work and helping me out with a problem? Thanks you! (picture attached)
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OpenStudy (anonymous):
OpenStudy (mathteacher1729):
That looks good to me. What program are you using to type the math?
OpenStudy (anonymous):
I don't know the answer to the first one...
OpenStudy (anonymous):
& I printed scree and took it into paint on my pc
OpenStudy (anonymous):
Hey, Chunger. With inequalities like that, you can solve them for x almost exactly the same way you would solve an equation. The ONLY tiny difference is that if you multiply/divide both sides by a negative number, you have to switch the direction the arrow points.
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OpenStudy (anonymous):
So, for the inequality
\[5x+7 \ge 2\]
Let me see you try to solve that for x.
\[\text{(You can type >= instead of } \ge \text{ and <= instead of } \le\]
OpenStudy (anonymous):
IS it the first choice? I just worked it out
OpenStudy (anonymous):
hold on I'll type it..
OpenStudy (anonymous):
After you solved the two inequalities for x, what did you get?
OpenStudy (anonymous):
x > -1 and x <= 3
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OpenStudy (anonymous):
x>= -1, but yes =)
OpenStudy (anonymous):
Oh my bad, but thank you so much! (:
OpenStudy (anonymous):
And does that match the way the number line is shaded?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
Excellent! =D
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OpenStudy (anonymous):
And by the way, for question 5, you did that perfectly. When you divided both sides by (-3), you switched > to <. Great job. c-: