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CST Review 4-12-2012

CST Review 4-12-2012. Stan’s solution to an equation is shown below. Given : n+8( n+20) =110 Step 1: n+8n+20 =110 Step 2: 9n+20 =110 Step 3: 9n=110 −20 Step 4: 9n=90 Step 5: Step 6: n=10

michael-conner
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CST Review 4-12-2012

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  1. CST Review 4-12-2012 Stan’s solution to an equation is shown below. Given: n+8( n+20) =110 Step 1: n+8n+20 =110 Step 2: 9n+20 =110 Step 3: 9n=110 −20 Step 4: 9n=90 Step 5: Step 6: n=10 Which statement about Stan’s solution is true? A. Stan’s solution is correct. B. Stan made a mistake in Step 1 C. Stan made a mistake in Step 3 D. Stan made a mistake in Step 5.

  2. 9.7 Quadratic Formula Content Objectives: Students use the quadratic formula to find the x-values from a quadratic equation. Language Objectives: Students will apply the quadratic formula to second – degree polynomials to solve for the x-values

  3. ax² + bx + c = 0 What are the different ways that we have learned to find the x- values in chapter 9? 1. Graphing 2. Square Roots 3. Factoring / ZPP 4. Completing the Square

  4. Quadratic Formula

  5. x² - 7x + 4 = 0

  6. x² - 2x – 8 = 0

  7. x² - 4x = 117

  8. 6m² - 13m -19 = 0

  9. x² + 4x – 60 = 0

  10. a² - a = 132

  11. g² - 15g – 54 = 0

  12. x² + 2x – 15 = 0

  13. y² + 6y – 247 = 0

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