

Multiplying and Dividing Monomials
Presentation
•
Mathematics
•
7th - 9th Grade
•
Practice Problem
•
Medium
Standards-aligned
Lanrael Duncan
Used 99+ times
FREE Resource
12 Slides • 14 Questions
1
Multiplying and Dividing Monomials

2
Review: multiplying terms
Consider the following MULTIPLICATION problem:
3x2⋅2x3
Begin by MULTIPLYING the coefficients from each term.
3⋅2=6
3
Review: multiplying terms
Consider the following MULTIPLICATION problem:
3x2⋅2x3
Then move from variable to variable multiplying any matching variables by ADDING their exponents.
x2⋅x3=x2+3=x5
4
Review: multiplying terms
To complete this problem, we must multiply all of the coefficients and the variables and write them together as one term starting with the coefficient:
3x2⋅2x3= ???
3⋅2=6
x2⋅x3=x2+3=x5
3x2⋅2x3=6x5
5
Multiple Choice
Simplify the following expression.
5x3⋅2x5
10x8
7x15
10x15
7x8
6
Only one number?!
The number/coefficient will not change.
7
Multiple Choice
Simplify the following expression.
3y4⋅y5
4y20
3y20
4y9
3y9
8
Only one variable?!
The variable and exponent will not change.
9
Multiple Choice
Simplify the following expression.
10z4⋅(−3)
7z5
−30z4
7z4
−30z5
10
Multiple Choice
Simplify the following expression.
m2⋅2m3
2m5
3m5
2m6
3m6
11
Multiple Choice
Simplify the following expression.
−2n⋅8n9
6n10
6n9
−16n10
−16n9
12
More than one variable?!
Compute each variable separately and include each variable in your answer.
13
Multiple Choice
Simplify the following expression.
4x⋅5y
9xy
9x2
20xy
20x2
14
Multiple Choice
Simplify the following expression.
−xy⋅−10x2
−11x3y
10x2y
−11x2y
10x3y
15
Multiple Choice
Simplify the following expression.
2a3b4⋅5a−1b10⋅2ab
20a3b15
9a−3b40
20a−3b40
9a3b15
16
Review: dividing terms
Consider the following DIVISION problem:
3x26x5
Begin by DIVIDING the coefficients from each term.
36=2
17
Review: dividing terms
Consider the following DIVISION problem:
3x26x5
Then move from variable to variable dividing any matching variables by SUBTRTACTING their exponents
x2x5=x5−2=x3
18
Review: dividing terms
To complete this problem, we must divide all of the coefficients and the variables and write them together as one term.
3x26x5= ???x2x5=x5−2=x3
3x26x5=2x3
19
Multiple Choice
Simplify the following expression.
2x28x6
4x4
6x4
4x3
6x3
20
Coefficient is a fraction?!
Then your answer will also be a fraction. Put the numerator/top number on the top of the fraction and the denominator/bottom number on the bottom of the fraction.
21
Multiple Choice
Simplify the following expression.
4y210y8
25y4
6x6
25y6
6x4
22
Multiple Choice
Simplify the following expression.
2a16a2
14a
8a
8a2
14a2
23
Multiple Choice
Simplify the following expression.
9c63c12
3c6
−6c2
−6c6
3c6
24
Negative exponents?!
Any variables with a negative exponent will end up on the numerator/bottom of the fraction.
25
Multiple Choice
Simplify the following expression.
15d525d2
10d3
3d35
d310
35d3
26
Multiple Choice
Simplify the following expression.
−55f333f
−53f2
f288
−5f23
88f2
Multiplying and Dividing Monomials

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