Unit 2 Flashcards

1
Q

Pascals triangle

A
  • 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
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2
Q

Rational expressions

A

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

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3
Q

Dividing

A

Flip one, then multiply

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4
Q

Adding/ subtracting

A

Find the lowest common denominator

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