7.3 Multiplying Binomials

Front

What is a binomial?

Back

A binomial is a polynomial that contains exactly two terms, such as (x + 2) or (3y - 5).

Front

What does FOIL stand for in multiplying binomials?

Back

FOIL stands for First, Outside, Inside, Last, which is a method used to multiply two binomials.

Front

Multiply the binomials: (a + b)(c + d)

Back

ac + ad + bc + bd

Front

What is the result of (x + 3)(x + 2)?

Back

x² + 5x + 6

Front

What is the result of (2x + 1)(x + 4)?

Back

2x² + 9x + 4

Front

Multiply the binomials: (3x - 2)(x + 5)

Back

3x² + 13x - 10

Front

What is the product of (y - 3)(y + 7)?

Back

y² + 4y - 21

Front

What is the result of (x - 1)(x + 1)?

Back

x² - 1 (Difference of squares)

Front

Multiply the binomials: (x + 2)(x - 2)

Back

x² - 4 (Difference of squares)

Front

What is the result of (2x + 3)(x² + 4x + 1)?

Back

2x³ + 11x² + 14x + 3