
Difference of Squares and Rectangles

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Liam Anderson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of this lesson?
Learning about linear equations
Calculating the volume of a cube
Understanding the difference of squares
Finding the area of a circle
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying (x + y) by (x - y)?
x^2 + y^2
x^2 - y^2
2xy
x^2 + 2xy + y^2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the polynomial identity for the difference of squares?
x^2 - y^2 = (x + y)(x - y)
x^2 - 2xy + y^2 = (x - y)^2
x^2 + y^2 = (x + y)(x - y)
x^2 + 2xy + y^2 = (x + y)^2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example with 81 and 64 square units, what are the dimensions of the resulting rectangle?
17 by 1
9 by 8
8 by 8
9 by 9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of removing 64 square units from 81 square units?
A 17 by 1 rectangle
A 8 by 8 square
A 9 by 9 square
A 1 by 17 rectangle
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you represent the original shape with 4 identical squares of unknown length?
x^2
2x
4x^2
x + x
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the polynomial identity used to find the dimensions of a rectangle formed by removing 9 square units?
x^2 + y^2 = (x + y)(x - y)
4x^2 - 9 = (2x + 3)(2x - 3)
x^2 - y^2 = (x + y)(x - y)
x^2 + 2xy + y^2 = (x + y)^2
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