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means there are five
. It could also mean there are
. It could also mean there are
.
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Practice set d
What does the
coefficient of a quantity tell us?
The difference between coefficients and exponents
It is important to keep in mind the difference between
coefficients and
exponents .
Coefficients record the number of like
terms in an algebraic expression.
Exponents record the number of like
factors in a term.
In a term, the
coefficient of a particular group of factors is the remaining group of factors.
how many of that quantity there are
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Sample set e
.
The coefficient of
is 4; the coefficient of 4 is
; and the coefficient of
is
since
can be written as
.
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Practice set e
In the term
, the coefficient of
(a)
is
.
(b)
is
.
(c)
is
.
(d)
is
.
(e) 3 is
.
(f) The numerical coefficient is
.
(a) 3 (b)
(c)
(d)
(e)
(f) 3
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Exercises
What is an algebraic expression?
An algebraic expression is a number, a letter, or a collection of numbers and letters along with meaningful signs of operation.
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For the expressions in the following problems, write the number of terms that appear and then list the terms.
For the following problems, list, if any should appear, the common factors in the expressions.
For the following problems, note how many:
For the following problems, a term will be given followed by a group of its factors. List the coefficient of the given group of factors.
Exercises for review
Questions & Answers
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hey , can you please explain oxidation reaction and redox ?
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for grade 12 or grade 11?
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Source:
OpenStax, Elementary algebra. OpenStax CNX. May 08, 2009 Download for free at http://cnx.org/content/col10614/1.3
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