Answer/Discussion
to 1a
If you said 2, you are correct!
What is the exponent?
If you said 5, you are right!
Let's rewrite it as multiplication and see what we get for an answer:
Answer/Discussion
to 1b
If you said 1/6, you are correct!
What is the exponent?
If you said 3, you are right!
Let's rewrite it as multiplication and see what we get for an answer:
Answer/Discussion
to 2a
*Multiply
*Add
Answer/Discussion
to 2b
*Exponent
*Add num and subtract den.
*Simplify fraction
Answer/Discussion
to 3a
Answer/Discussion
to 4a
Since we got a FALSE statement (7 does not equal 9), then 0 is not a solution.
Answer/Discussion
to 4b
Since we got a TRUE statement (6 does equal 6), then 8 is
a solution.
Answer/Discussion
to 5a
9 less than 5 times a number.
If you said subtraction you are correct!!!
What operation will we replace times with?
If you said multiplication you are correct!!!
The phrase 'a number' indicates that it is an unknown number. There was no specific value given to it. So we will replace the phrase 'a number' with the variable x. We want to let our variable represent any number that is unknown
Putting everything together we can translate the given english phrase with the following algebraic expression:
9 less than 5 times a number
Answer/Discussion
to 5b
The product of 12 and a number.
If you said multiplication you are correct!!!
The phrase 'a number' indicates that it is an unknown number. There was no specific value given to it. So we will replace the phrase 'a number' with the variable x. We want to let our variable represent any number that is unknown
Putting everything together we can translate the given english phrase with the following algebraic expression:
The product of 12 and a number
Answer/Discussion
to 6a
The sum of 10 and 4 times a number is the same as 18.
If you said addition, you are doing great.
Do you remember what times translates into?
If you said multiplication, you are doing great.
'Is the same as' will be replaced by the symbol =.
Let's put together everything going left to right:
The sum of 10 and 4 times a number is the same as 18
Answer/Discussion
to 6b
The quotient of a number and 9 is 1/3.
If you said division, you are correct.
'Is' will be replaced by the symbol =.
Let's put together everything going left to right:
The quotient of a number and 9 is 1/3.
Last revised on July 24, 2011 by Kim Seward.
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