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Frogs, Fleas, and Painted Cubes

Frogs, Fleas, and Painted Cubes. Investigation 2 review and preview. Vocabulary. Quadratic Relationship:__________________ _______________________________________ Parabola:______________________________ Function:______________________________ Term:_________________________________

francesca-roberts
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Frogs, Fleas, and Painted Cubes

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  1. Frogs, Fleas, and Painted Cubes Investigation 2 review and preview

  2. Vocabulary • Quadratic Relationship:__________________ _______________________________________ • Parabola:______________________________ • Function:______________________________ • Term:_________________________________ • Factored Form:_________________________ • Expanded Form:________________________

  3. Vocabulary (cont.) • Distributive Property:____________________ _______________________________________ • FOIL:_________________________________ _______________________________________ • Line of Symmetry:_______________________ _______________________________________ • Triangular Numbers:_____________________ _______________________________________

  4. Review: Using the Area Model Write the expressions in both factored and expanded form. Factored Form: Expanded Form: Factored Form: Expanded Form:

  5. Distributive Property • Distributive Property: a(b + c) = ab + ac Try with numbers: 5(3 + 4) -3(4 + 8) -2(9 – 3)

  6. Distributive Property • Now try with the area model: Factored Form: Expanded Form: Factored Form: Expanded Form:

  7. Distributive Property • Try with variables: 6(x + 2) x(x + 6) -x(2x + 3)

  8. FOIL Method FOIL is an acronym for remembering how to multiply using the distributive property with binomials. Take the expression (x + 5)(x + 3): F – firsts O – outers I – inners L - lasts

  9. FOIL Method (cont.) Practice with FOIL Method: • (x + 2)(x + 8) 2. (x + 5)(x + 8) 3. (x – 4)(x + 2) 4. (x + 7)(x – 3)

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