Question

copiati si rezolvati tabelul
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Answer 1

Răspuns:

1.

a = 2

b = -5

c = -2

2.

a = 2.5

b = -3

c = 0

3.

a = -1

b = 4

c = -2

4.

a = 2

b = -1

c = 0

5.

a = 3

b = 0

c = 2

6.

x² - x - 2 = 0

7.

-4x² + 4x = 0

8.

$\sqrt{2} {x² \div + 4x = 0}^{?}$

9.

-x² + 2x - 3 = 0