1) y = 1,2x - 24
0 = 1,2x - 24;
1,2x = 24;
x = 24 / 1,2 = 20;
Точка (20; 0)
y = 1,2 × 0 - 24 = -24;
Точка (0; -24)
2) y = -3/5x + 2
0 = -3/5x + 2;
3/5x = 2;
x = 2 × 5/3 = 10/3 ≈ 3,33;
Точка (10/3; 0)
y = -3/5 × 0 + 2 = 2;
Точка (0; 2)
3) y = -7 + 14x
0 = -7 + 14x;
14x = 7;
x = 7 / 14 = 0,5;
Точка (0,5; 0)
y = -7 + 14 × 0 = -7;
Точка (0; -7)
4) y = 2x - 9
0 = 2x - 9;
2x = 9;
x = 9 / 2 = 4,5;
Точка (4,5; 0)
y = 2 × 0 - 9 = -9;
Точка (0; -9)
Ответ: 1) (20; 0), (0; -24); 2) (10/3; 0), (0; 2); 3) (0,5; 0), (0; -7); 4) (4,5; 0), (0; -9).