Unit 2

Question 1

Pascals triangle

Answer 1

• second number will tell you what row your in
• Use for binomial expansion
• If its really high you only need to fund the first three terms
• Always common factor first

Question 2

Rational expressions

Answer 2

Can be simplified by dividing out all common factors from the numerator and denominator. State restrictions for ALL possible denominators

Question 3

Dividing

Answer 3

Flip one, then multiply

Question 4

Adding/ subtracting

Answer 4

Find the lowest common denominator