7.5 Special Products

Front

What is the square of a binomial?

Back

The square of a binomial is the result of multiplying a binomial by itself, expressed as (a + b)² = a² + 2ab + b².

Front

What does FOIL stand for in binomial multiplication?

Back

FOIL stands for First, Outside, Inside, Last, which is a method for multiplying two binomials.

Front

Calculate (x + 3)².

Back

x² + 6x + 9

Front

Calculate (x - 9)².

Back

(x - 9)(x - 9) or x² - 18x + 81

Front

Calculate (x - 6)².

Back

x² - 12x + 36

Front

What is the product of (x + 12)(x - 12)?

Back

x² - 144

Front

What is the difference of squares formula?

Back

The difference of squares formula states that a² - b² = (a + b)(a - b).

Front

What is the result of (x + 5)(x + 5)?

Back

x² + 10x + 25

Front

What is the result of (x - 4)(x + 4)?

Back

x² - 16

Front

What is the expanded form of (2x + 3)²?

Back

4x² + 12x + 9