1) Г

у = 4 - 2х²

( - 1 ; 2 )

2 = 4 - 2 × (-1)²

2 = 4 - 2 × 1

2 = 4 - 2

2 = 2

2) Д

[tex]y = 3x + \frac{1}{3} \\ ( \frac{1}{9} ; \: \frac{2}{3} ) \\ \frac{2}{3} = 3 \times \frac{1}{9} + \frac{1}{3} \\ \frac{2}{3} = \frac{1}{3} + \frac{1}{3} \\ \frac{2}{3} = \frac{2}{3} [/tex]

3) А

[tex]y = \frac{9}{11} x \\ ( - 11; \: - 9) \\ - 9 = \frac{9}{11} \times ( - 11) \\ - 9 = - 9[/tex]

4) Б

у = 8 - 2х

( 4 ; 0 )

0 = 8 - 2 × 4

0 = 8 - 8

0 = 0