Solve and graph the inequality.
4/5x + 5 < -3
A. x < –10
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OpenStudy (yacoub1993):
B. x ≤ 0
C. x > 5
D. x ≥ –10
OpenStudy (yacoub1993):
THIS IS CHOICE A GRAPH
A. x < –10
OpenStudy (yacoub1993):
CHOICE B GRAPH
B. x ≤ 0
OpenStudy (yacoub1993):
CHOICE C GRAPH
C. x > 5
OpenStudy (yacoub1993):
CHOICE D GRAPH
D. x ≥ –10
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OpenStudy (saifoo.khan):
So you tried solving?
OpenStudy (yacoub1993):
YUP
i got x=-6.5<-3
OpenStudy (yacoub1993):
is that correct
OpenStudy (saifoo.khan):
No.
OpenStudy (saifoo.khan):
Show me your steps.
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OpenStudy (yacoub1993):
ok
OpenStudy (yacoub1993):
\[\frac{ 4 }{ 5 }x+5<-3\]
frist i solved the frist equation
\[\frac{ 4 }{ 5 }x+5=0\]
\[\frac{ 4 }{ 5 }x=-5\]
\[x=\frac{ -5 }{ \frac{ 4 }{ 5 } }\]
\[x=-6.25\]
\[-6.25<-3\]
thats the way i did it]
correct me if i am wrong
OpenStudy (saifoo.khan):
Hold on a sec. Let me draw.
OpenStudy (saifoo.khan):
OpenStudy (saifoo.khan):
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OpenStudy (yacoub1993):
\[x=-10\] Is that correct
OpenStudy (yacoub1993):
on the graph it will be \[x<-10\]
OpenStudy (saifoo.khan):
Yes sir.
OpenStudy (yacoub1993):
Thanks alot
i have another question if u dont mind
OpenStudy (saifoo.khan):
Sure
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OpenStudy (yacoub1993):
similar question is it OK
OpenStudy (saifoo.khan):
Yes.
OpenStudy (yacoub1993):
\[\frac{ -x }{ 4 }-6\ge-8\]
OpenStudy (yacoub1993):
A. x < –4
B. x ≤ 8
C. x > 8
D. x ≥ –8
OpenStudy (yacoub1993):
i got \[-x \ge-56\]
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OpenStudy (yacoub1993):
wait i will resolve it
OpenStudy (yacoub1993):
Yes i got the same answer bro
OpenStudy (yacoub1993):
i got
−x≥−56
OpenStudy (yacoub1993):
@saifoo.khan R u there
OpenStudy (yacoub1993):
@mikala1 Can u help Please
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OpenStudy (saifoo.khan):
Sorry i forgot about helping you. lol.
OpenStudy (saifoo.khan):
Your answer's wrong.
OpenStudy (yacoub1993):
what do u think the correct answer?
OpenStudy (saifoo.khan):
OpenStudy (yacoub1993):
\[-x \ge-8\]
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OpenStudy (saifoo.khan):
Right. But we can't have a negative sign with the variable, right?
OpenStudy (yacoub1993):
what do u mean
OpenStudy (saifoo.khan):
We can NEVER write something with a negative variable.
Like here "-x"
Negative x is something which we can't write.
OpenStudy (saifoo.khan):
So to get rid of it, we have to flip the inequatlity. I'll show you how..