

Difference of Squares and Area Model
Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Mia Campbell
FREE Resource
Standards-aligned
Read more
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in multiplying the binomials (x + 10) and (x - 10) using the area model?
Subtract the constants
Draw a perfect square
Multiply each term separately
Add the coefficients of x
Tags
CCSS.HSA.APR.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When using the area model, what is the result of multiplying x by x?
0
2x
x
x^2
Tags
CCSS.HSA.APR.C.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the area model, what happens to the terms 10x and -10x?
They are multiplied
They cancel each other out
They remain unchanged
They are added together
Tags
CCSS.HSA.APR.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final simplified result of multiplying (x + 10)(x - 10) using the area model?
x^2 + 20x - 100
x^2 - 20x + 100
x^2 - 100
x^2 + 100
Tags
CCSS.6.EE.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key difference between the numbers in the binomials (x + 10) and (x - 10)?
The coefficients of x are different
The constants have opposite signs
The terms are identical
The constants are the same
Tags
CCSS.HSA.APR.C.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula used in the difference of squares method for (x + 10)(x - 10)?
x^2 - 20x - 100
x^2 + 20x + 100
x^2 - 10^2
x^2 + 10^2
Tags
CCSS.HSA.APR.C.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the negative sign 'win' in the difference of squares method?
Because it is larger
Because it is multiplied by a positive
Because it is a rule of multiplication
Because it is the first term
Tags
CCSS.HSA.APR.C.4
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