Multiplying binomials

Front

What is a binomial?

Back

A binomial is a polynomial that contains exactly two terms, which can be separated by a plus or minus sign.

Front

What is the general formula for multiplying two binomials (a + b)(c + d)?

Back

The general formula is ac + ad + bc + bd.

Front

What is the result of multiplying (x - 3)(x + 10)?

Back

The result is x² + 7x - 30.

Front

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

Back

The result is x² + 5x + 6.

Front

What is the result of multiplying (x + 3)(x + 7)?

Back

The result is x² + 10x + 21.

Front

What is the result of multiplying (x + 12)(x - 12)?

Back

The result is x² - 144.

Front

What is the FOIL method in multiplying binomials?

Back

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

Front

What does the 'First' in FOIL refer to?

Back

The 'First' refers to multiplying the first terms of each binomial.

Front

What does the 'Outside' in FOIL refer to?

Back

The 'Outside' refers to multiplying the outer terms of the binomials.

Front

What does the 'Inside' in FOIL refer to?

Back

The 'Inside' refers to multiplying the inner terms of the binomials.