This is a Clilstore unit. You can .

# Vocabulary Video

algebra and symbols in algebra are like
0:07
a foreign language they all mean
0:09
something and can be translated back and
0:11
forth here are a few symbols you should
0:13
know an expression is any combination of
0:16
values and operations that can be used
0:18
to show how things belong together and
0:20
compare to one another here's an example
0:23
of an expression a term such as for X Y
0:27
is a grouping of one or more factors
0:29
which could be variables numbers or both
0:32
multiplication is the only thing
0:34
connecting the number with the variables
0:36
addition and subtraction on the other
0:38
hand separate terms from one another for
0:41
example this expression has three terms
0:43
an equation uses a sign to show a
0:47
relationship that two things are equal
0:49
by using an equation tough problems are
0:52
reduced to easier problems and simpler
0:54
answers an operation is an action
0:58
performed upon one or two numbers to
1:00
produce a resulting number operations
1:02
1:04
division square roots and so on a
1:08
variable is a letter that always
1:10
represents a number but it varies until
1:13
it's written in either an equation or
1:15
inequality that's a comparison of two
1:18
values then the fate of the variable is
1:20
set it can be solved for and its value
1:23
becomes the solution of the equation a
1:26
constant is a value or number that never
1:29
changes in an equation it's constantly
1:31
the same the number 5 is a constant
1:34
because it is what it is a variable can
1:37
be constant if it is assigned a definite
1:39
value usually a variable representing a
1:42
constant is one of the first letters in
1:44
the alphabet so in the equation ax
1:47
squared plus bx plus c equals zero a b
1:51
and c are constants and the X is the
1:53
variable the value of x depends on what
1:56
a B and C are assigned to be an exponent
2:00
is a small number written slightly above
2:02
and to the right of a variable or number
2:04
such as 2 in the expression 3 squared
2:07
it's used to show repeated
2:09
multiplication an exponent is also
2:11
called the power of the value
2:13
to simplify means to combine all that
2:16
can be combined cut down on the number
2:18
of terms and put in an
2:20
easy-to-understand form to factor means
2:24
to change two or more terms to just one
2:26
term and to solve means to find the
2:30
answer in algebra it means to figure out
2:33
what the variable stands for
2:45
you

Short url:   http://multidict.net/cs/5371