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𝑥2
− 6𝑥 + 9 = 0 a=1, b = -6, c = 9
𝑥2
− 9 = 0 a= 1, b = 0 , c = -9
Note: when we transposing we need to
change the sign. It can be positive or
negative
Quadratic
Equation
a𝑥2
+ bx + c = 0 A B C Complete Not Complete
10 𝑥2
= -4x
9𝑥2+19x = 0
2𝑥2
= 4x – 1
𝑥2 - 8 = 3x
-9x = 3𝑥2 - 2
𝑥2
- 6x =7

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Activity in Mathematics 9.pptx

  • 1.
  • 2. 𝑥2 − 6𝑥 + 9 = 0 a=1, b = -6, c = 9 𝑥2 − 9 = 0 a= 1, b = 0 , c = -9 Note: when we transposing we need to change the sign. It can be positive or negative
  • 3.
  • 4. Quadratic Equation a𝑥2 + bx + c = 0 A B C Complete Not Complete 10 𝑥2 = -4x 9𝑥2+19x = 0 2𝑥2 = 4x – 1 𝑥2 - 8 = 3x -9x = 3𝑥2 - 2 𝑥2 - 6x =7