Difference of Squares
Practice recognizing and factoring difference of squares expressions.
Practice Question Set
7 quick practice checks
Topic Progress
Saved on this device and updated across practice sessions.
Factor: \(x² - 1\)
Factor: \(x² - 4\)
To use the Difference of Squares pattern, both terms must be perfect squares and separated by which sign?
Factor: \(64x² - 1\)
Factor: \(49 - 4x²\)
Factor: \(9 - 16x²\)
Factor: \(x² - 100y²\)
Factor: \(1 - x²\)
Factor: \(4x² - 121\)
Factor: \(64 - 9y²\)
Factor: \(25 - 9x²\)
Factor: \(49x² - 100\)
Factor: \(x² - 1\)
Factor: \(4x² - 9y²\)
Factor: \(4 - 81x²\)
Factor: \(100x² - 9\)
Factor: \(16x² - 81\)
Which expression is a perfect difference of squares?
Factor: \(x² - 121\)
Factor: \(9x² - 1\)
Factor: \(x² - 144\)
Factor: \(25x² - 36\)
Factor: \(16x² - 1\)
Factor: \(25 - 4x²\)
___x² - 16 = (5x - 4)(5x + 4). What coefficient is missing?
Factor: \(4x² - 1\)
Factor: \(81x² - 4\)
Factor: \(81x² - 121y²\)
Factor: \(x² - 225\)
Factor: \(16x² - 25y²\)
Factor: \(x² - 64\)
In the expression x² - 81, what are the square roots of the two terms used in the factors?
Factor: \(36x² - 121\)
Factor: \(25x² - 49y²\)
Factor: \(144x² - 1\)
Factor: \(x² - 169\)
Factor: \(16y² - 49\)
Factor: \(x² - 49y²\)
Factor: \(121x² - 1\)
Factor: \(9x² - 64y²\)
Factor: \(1 - 4x²\)
Factor: \(81 - x²\)
Factor: \(x² - 36\)
Factor: \(100 - x²\)
Factor: \(x² - 25y²\)
Factor: \(x² - 400\)
Factor: \(16 - 25x²\)
Factor: \(4x² - 49\)
Factor: \(x² - y²\)
Factor: \(9x² - 25\)