Mathematics
7 Online
Allison:
Answer check~
Join the QuestionCove community and study together with friends!
Sign Up
Allison:

Vocaloid:
good
Allison:

Vocaloid:
yup good
Allison:

Join the QuestionCove community and study together with friends!
Sign Up
Vocaloid:
yup good
Allison:

Vocaloid:
good
Allison:

Vocaloid:
good
Join the QuestionCove community and study together with friends!
Sign Up
Allison:
Okiee be right back~ Tank chu
Allison:
Opposite of -9?
9?
Allison:
@Vocaloid
Vocaloid:
yep
Allison:
Which is an example of the opposite of a sum property?
-8+(-13) = -13+(-8)
11+(-14+5) = (11+(-14))+5
-(22+1) = -22+(-1)
16+(-16) = 0
Join the QuestionCove community and study together with friends!
Sign Up
Vocaloid:
had to look this one up tbh
-(a+b)=(-a)+(-b)
Vocaloid:
so -(22+1) = -22 + (-1) would be it I believe
Allison:
Oh okay
Allison:
Which of the following identifies all the integer solutions of the equation |x| = 12?
12 only.
-12 only.
0 only.
12 and -12.
Zeke:
12 only.
Join the QuestionCove community and study together with friends!
Sign Up
Allison:
I thought B
Vocaloid:
|X| = A implies X can be negative A and positive A
Allison:
D?
Vocaloid:
good
Vocaloid:
|12| = 12
|-12| = 12
Join the QuestionCove community and study together with friends!
Sign Up
Zeke:
Voca, i thought | x | meant absolute number meanin no negative? Am wrong then?
Allison:
What is the value of the expression -12 - 3 + 9?
22
0
-6
-15
Allison:
C?
Vocaloid:
yup C
Vocaloid:
Zeke I can explain later if you want ^_^"
Join the QuestionCove community and study together with friends!
Sign Up
Zeke:
Would like if you did.
Allison:
What is the solution to the equation x+12= -3?
x=
15
-9
9
-15
Allison:
D?
Vocaloid:
yup good
Allison:
What is the value of the expression |a + b| + |c| When a= -3, and b= -7, and c= -15?
-11
19
25
5
Join the QuestionCove community and study together with friends!
Sign Up
Allison:
C?
Vocaloid:
good
Allison:
What is the value of the expression -c+d when c= -3.5 and d= -12.8?
16.3
15.3
-16.3
-15.3
Allison:
C?
Vocaloid:
hm. I get 3.5 - 12.8 but that's not one of the choices
Join the QuestionCove community and study together with friends!
Sign Up
Allison:
It’s -3.5
dude:
Yeah I got -9.3
Zeke:
C seems correct to me tho Voca.
Vocaloid:
yeah, but if c = -3.5 then -c = 3.5 and -c + d = 3.5 - 12.8
Allison:
Oops didn’t see D. -9.3 😂
Join the QuestionCove community and study together with friends!
Sign Up
Vocaloid:
yeah, I'd go with d then
Allison:
6.52>6.5
True
False
Allison:
Trueee
Vocaloid:
good
Zeke:
Waw, I guess I can't even be called a graduate with a 4.0 gpa if i dont even know this x.x
Join the QuestionCove community and study together with friends!
Sign Up
Allison:
What is the solution to the equation 14 + x = -5
-19
19
9
5
Allison:
A?
dude:
Yeah
Vocaloid:
good
Allison:
What is the solution to the equation -10.3 + y = 5.2?
15.5
-15.5
5.1
-5.1
Join the QuestionCove community and study together with friends!
Sign Up
Allison:
A?
Vocaloid:
yes
Allison:
Okay that’s it for now thanks everyone xD