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Algebra II

Algebra II. 4.3, 4.4: Solve quadratic equations by factoring HW: worksheet Test 4.1-4.4: Friday, Oct. 10 th. FOIL. 1.) (x + 5)(x – 7). 4.3: Practice A: Factor the expression. If the expression cannot be factored, say so. 1.) x 2 + 4x + 3 2.) x 2 – 6x + 8.

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Algebra II

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  1. Algebra II 4.3, 4.4: Solve quadratic equations by factoring HW: worksheet Test 4.1-4.4: Friday, Oct. 10th

  2. FOIL 1.) (x + 5)(x – 7)

  3. 4.3: Practice A: Factor the expression. If the expression cannot be factored, say so. 1.) x2 + 4x + 3 2.) x2 – 6x + 8

  4. 4.3: Practice A: Factor the expression. If the expression cannot be factored, say so. 3.) x2 – 15x + 56 4.) x2 – 16

  5. 4.3: Practice A: Factor the expression. If the expression cannot be factored, say so. 5.) 25x2 – 49 6.) 4x2 – 9

  6. Algebra II 4.3, 4.4: Solve quadratic equations by factoring HW: none Test 4.1-4.4: Friday, Oct. 10th

  7. 4.4: Practice A: Factor the expression. If the expression cannot be factored, say so. 7.) 2x2 + 5x + 2 8.) 5x2 + x – 4

  8. 4.4: Practice A: Factor the expression. If the expression cannot be factored, say so. 9.) 3x2 – 9x – 12 10.) 27x2 – 3

  9. 4.3, 4.4: Factoring Steps • Factor out a GCF first • Factor two ( ) • Square root trick or regular factoring. • Solving Equations: 1.) Make equation equal to zero. 2.) Factor 3.) Solve by making each factor equal to zero.

  10. 4.4: Practice A: Solve the equation. 11.) 6x2 – 15x – 9 = 0

  11. 4.3, 4.4: Practice A: Solve the equation. 12.) x2 – 49 = 0 13.) 12x2 = -4x + 8

  12. Practice A: Solve the equation. 14.) 2x2 – 4x – 3 = -x2 + 4x

  13. Practice A: Solve the equation. 14.) 2x2 – 4x – 3 = -x2 + 4x 15.) x2 + 7x = 8

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