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WINSTONCH [101]
3 years ago
8

Why is -2x -8 an algebraic expression

Mathematics
2 answers:
Montano1993 [528]3 years ago
5 0
Because algebra means finding the unknown
it is usually used in real life
for example if if 1/2 of the legnth of a line is 8 then what is the legnth
so then 1/2 x=8 and that is algebraic
since it has x, or an unknown in it, it is an algebraic expression
emmasim [6.3K]3 years ago
4 0
Because it contains an un-known variable denoted as X
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seraphim [82]

Answer:

x<-2

Step-by-step explanation:

-5x+2/6 >2

-5x+2>12

-5x>12-2

-5x>10

-x>2

x<-2

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satela [25.4K]

Answer:

Step-by-step explanation:

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Write a polynomial equation that is best represented by the graph.
Agata [3.3K]
So we gots apolynomial equation that is 3rd degree and crosses x axis at x=-1, x=0 and x=2

the factors of a poly equation that passes through r1,r2,r3 is
(x-r1)(x-r2)(x-r3)

so
r1=-1
r2=0
r3=2
f(x)=(x-(-1))(x-0)(x-2)
f(x)=(x+1)(x)(x-2)
f(x)=x³-x²-2x
leading coefient is posiitve because 3rd degree equations that are postive go bottom left to top right
yah
actually that looks like the exact graph


both
f(x)=(x+1)(x)(x-2)
and
f(x)=x³-x²-2x
are correct
3 0
3 years ago
A=L times W
Dovator [93]
A= 30ft, because you only have to multiply LxW= A that is equal to 2x15=30ft
8 0
3 years ago
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