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2
Which quadratic equation has exactly one distinct real solution?
(x + 3)2 = 0
(x + 3)2 = -9
(x + 3)2 = 9
(x + 3)2 = 27

2 Which Quadratic Equation Has Exactly One Distinct Real Solution X 32 0 X 32 9 X 32 9 X 32 27 class=

Sagot :

mhanifa

Answer:

  • A) (x + 3)² = 0

Step-by-step explanation:

  • A) (x + 3)² = 0 ⇒ x + 3 = 0 ⇒ x = - 3 ⇒ one real solution
  • B) (x + 3)² = -9 ⇒ x + 3 = √-9 ⇒ no real solutions
  • C) (x + 3)² = 9 ⇒ x + 3 = ± 3 ⇒ x = - 3 ± 3 ⇒ two real solutions
  • D) (x + 3)² = 27 ⇒ x + 3 = ± 3√3 ⇒ x = - 3 ± 3√3 ⇒ two real solutions
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