Mathematics
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OpenStudy (lilshane):
Which three ordered pairs complete the table to give solutions of the equation y = x – 7?
A.
(–3, –10), (0, –7), and (3, 4)
B.
(–3, –10), (0, –7), and (3, –4)
C.
(–3, –4), (0, –7), and (3, –4)
D.
(–3, 4), (0, –7), and (3, –4)
11 years ago
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OpenStudy (lilshane):
@inowalst @EclipsedStar @eta
11 years ago
OpenStudy (lilshane):
@just_one_last_goodbye @JFraser @AutumnRoseT @sissyedgar @leonardo0430 @Mehek14 @prettygirl876
11 years ago
Mehek (mehek14):
you have to plug in the ordered pairs
11 years ago
OpenStudy (lilshane):
i know
11 years ago
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Mehek (mehek14):
Lets start with a
11 years ago
OpenStudy (just_one_last_goodbye):
okay, which one do you think it is?
11 years ago
OpenStudy (lilshane):
everyone keeps saying that but i know know how
11 years ago
Mehek (mehek14):
the first ordered pair is (-3,-10)
-3 is x
-10 is y
-10 = -3 - 7
is that true^?
11 years ago
OpenStudy (just_one_last_goodbye):
(x,y) so plug the numbers (-3,-10) where x is -3 and y is -10
11 years ago
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OpenStudy (lilshane):
no?
11 years ago
Mehek (mehek14):
what is -3-7?
11 years ago
OpenStudy (lilshane):
wait that is true sorry
11 years ago
Mehek (mehek14):
ok so so far it could be A but we have to check the rest of the ordered pairs
11 years ago
OpenStudy (lilshane):
ok
11 years ago
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Mehek (mehek14):
next ordered pair
(0,-7)
0=x
-7=y
-7=0-7
is that true?
11 years ago
OpenStudy (lilshane):
n o
11 years ago
Mehek (mehek14):
0-7?
11 years ago
OpenStudy (lilshane):
omg i keep getting confused lol
11 years ago
Mehek (mehek14):
so is it true?
11 years ago
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OpenStudy (lilshane):
yes
11 years ago
Mehek (mehek14):
ok now last ordered pair
11 years ago
Mehek (mehek14):
(3,4)
3=x
4=y
4=3-7
true or not?
11 years ago
OpenStudy (lilshane):
false
11 years ago
Mehek (mehek14):
ok so now move on to B
11 years ago
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OpenStudy (lilshane):
the first two are true
11 years ago
Mehek (mehek14):
the first 2 ordered pairs are the same as in A so look at the last one
11 years ago
Mehek (mehek14):
(3,-4)
-4=3-7
11 years ago
Mehek (mehek14):
is that true
11 years ago
OpenStudy (lilshane):
yes! so its B?
11 years ago
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Mehek (mehek14):
yup
11 years ago
OpenStudy (lilshane):
thanks you
11 years ago
Mehek (mehek14):
yw
11 years ago
OpenStudy (lilshane):
mind staying here and help me go over the next question?
11 years ago
OpenStudy (lilshane):
?
11 years ago