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Complete the Square to Solve Equations worksheet featuring 10 quadratic equations.

Worksheet titled "Complete the Square to Solve Equations" with 10 quadratic equations listed for solving by completing the square.

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Show Answer Key & Explanations Step-by-step solution for: Solving Quadratic Equations: By factorising, completing the square

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1. y² + 12y - 64 = 0 → (y + 6)² = 100 → y = 4 or y = -16
2. y² - 14y + 40 = 0 → (y - 7)² = 9 → y = 10 or y = 4
3. y² - 14y + 40 = 0 → (y - 7)² = 9 → y = 10 or y = 4
4. y² + 8y + 15 = 0 → (y + 4)² = 1 → y = -3 or y = -5
5. y² - 2y - 15 = 0 → (y - 1)² = 16 → y = 5 or y = -3
6. y² + 6y - 7 = 0 → (y + 3)² = 16 → y = 1 or y = -7
7. y² - 16y + 48 = 0 → (y - 8)² = 16 → y = 12 or y = 4
8. y² - 12y - 28 = 0 → (y - 6)² = 64 → y = 14 or y = -2
9. y² - 14y + 13 = 0 → (y - 7)² = 36 → y = 13 or y = 1
10. y² - 12y - 28 = 0 → (y - 6)² = 64 → y = 14 or y = -2

Parent Tip: Review the logic above to help your child master the concept of solving quadratic equations by completing the square worksheets.

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