HELP!!! On a 250 question test and I need help with the questions I cant understand.
1: Which of the following is a solution of the compound inequality?
3x + 8 < 2 or x + 12 > 2 - x
Answer
x < -2 or x > 5
x < -6 and x > 5
All real numbers
No solution
2: Solve |x + 6| = 12.
Answer
6
-18
{6, -18}
No Solution
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OpenStudy (anonymous):
i can try
OpenStudy (karategirl2002):
me too
OpenStudy (anonymous):
What do you the solution is to these two?
1:
Which of the following is a solution of the compound inequality?
3x + 8 < 2 or x + 12 > 2 - x
Answer
x < -2 or x > 5
x < -6 and x > 5
All real numbers
No solution
2: Solve |x + 6| = 12.
Answer
6
-18
{6, -18}
No Solution
OpenStudy (karategirl2002):
6+6=12
OpenStudy (karategirl2002):
for 2
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OpenStudy (anonymous):
that is not an option.
OpenStudy (karategirl2002):
what do you mean
OpenStudy (anonymous):
Im in high school. math is way harder than that
OpenStudy (karategirl2002):
oh
OpenStudy (anonymous):
dont worry about it. I know you were just trying to help and be nice
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OpenStudy (karategirl2002):
:)
OpenStudy (anonymous):
I really do need help though. does any body have good ideas. im horrible in math
OpenStudy (anonymous):
x < -2 or x > 5... for the first one: I graphed it :D
OpenStudy (anonymous):
thank you and what about the next one?
OpenStudy (anonymous):
6: |x + 6| = 12
x + 6 = 12 --> take out of absolute value
x = 6 --> subtract 6 from each side and solution! :D
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OpenStudy (anonymous):
oh that makes soooo much sense! would you be willing to help me with a few more?
OpenStudy (anonymous):
sure! :D
OpenStudy (karategirl2002):
okay
OpenStudy (anonymous):
ok here we go
3: Solve |2x -5| > 7.
Answer
x > 6 or x < -1
-1 < x < 6
x > 6 and x < -1
4: Determine which ordered pairs are solutions to the inequality, y < 2x - 8.
Answer
(5, -10)
(3, -6)
(-4, 0)
(10, 5)
OpenStudy (anonymous):
-1 < x < 6
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OpenStudy (anonymous):
for the first one
OpenStudy (anonymous):
I will give you a medal and friend you after you help me with all the questions I have if you want.
OpenStudy (anonymous):
or fan you
OpenStudy (anonymous):
Hi. I haven't looked at all of these, but I just noticed something about one of the problems above...
2: Solve |x + 6| = 12.
Answer
6
-18
{6, -18}
No Solution
OpenStudy (anonymous):
ok :D
the other one is (5, -10)
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OpenStudy (anonymous):
yeah? @TOMWALK
OpenStudy (anonymous):
is that right @MelissaHolmes
OpenStudy (anonymous):
-18 is also a possible value for x.
|x + 6| = 12
|-18+6| = 12
|-12| = 12
12 = 12
So, {6, -18} is the right answer.
OpenStudy (anonymous):
okay....
OpenStudy (anonymous):
just a sec
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OpenStudy (anonymous):
Which are counter examples of the following statement?
If the sum of x and y is negative, then both x and y are negative.
Answer
x = -2 and y = -4
x = -10 and y = 5
x = -6 and y = 0
x = 15 and y = -2
OpenStudy (anonymous):
hello?
OpenStudy (karategirl2002):
yeah
OpenStudy (anonymous):
sry.. i was away for a bit..
OpenStudy (anonymous):
x = -6 and y = 0
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OpenStudy (anonymous):
is that it because you can put more than one answer into that one
OpenStudy (anonymous):
yeah :D
OpenStudy (anonymous):
ok. I thought it was cool you want to become a doctor.
OpenStudy (karategirl2002):
me too
OpenStudy (anonymous):
@karategirl2002 do you play minecraft? I think you do lol
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OpenStudy (karategirl2002):
lol yeah
OpenStudy (anonymous):
I just started do you have any tips. Im going to play on my ipad mini
OpenStudy (karategirl2002):
um look out for mobs the computer one is better btw you need internet to play with friend on that start out in survivle and go to creative
OpenStudy (karategirl2002):
@Coolgirl1999
OpenStudy (anonymous):
I meant that I do play on my ipad lol yah I get what you saying and the computer version is so $$$$$$. I can afford it
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OpenStudy (anonymous):
cant
OpenStudy (karategirl2002):
it is 24.95 forever so
OpenStudy (anonymous):
whats you name? @karategirl2002
Im Lydia
OpenStudy (karategirl2002):
kristina nice to meet you lydia
OpenStudy (karategirl2002):
brb
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OpenStudy (anonymous):
you too
OpenStudy (karategirl2002):
back
OpenStudy (anonymous):
k. what shows do you watch on tv?
OpenStudy (anonymous):
@karategirl2002
OpenStudy (anonymous):
i see you want to go to stanfod lol
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OpenStudy (anonymous):
your soo cute
OpenStudy (anonymous):
yah do you watch lab rats or kickin it
OpenStudy (anonymous):
or i didnt do it
OpenStudy (karategirl2002):
@hartnn
OpenStudy (karategirl2002):
yeah
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OpenStudy (anonymous):
I love kickin it and im 14 lol
OpenStudy (karategirl2002):
im going to be 12
OpenStudy (anonymous):
cool
OpenStudy (anonymous):
u home schooled or do u go to reg school
OpenStudy (karategirl2002):
home schooled
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OpenStudy (anonymous):
me too!
OpenStudy (anonymous):
what school
OpenStudy (karategirl2002):
k12.com
OpenStudy (anonymous):
for how long? I was in that school from kindergarten to 5th grade
OpenStudy (karategirl2002):
2nd then 5th and 6th
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OpenStudy (anonymous):
nice, do you plan on going to high school home schooled
OpenStudy (karategirl2002):
no im going to luis center next year
OpenStudy (anonymous):
nice is that near by you
OpenStudy (anonymous):
hey I gotta go ill see you later..... ill text you some time ttyl