y = 3x и y = 3x + 5;
y = 7x+1 и y = -7x-1;
y = x + 5 и y = -3x + 1;
y = x-11 и y =
0,1x -1,1
0,1
.
y =
15
3
x + 2 и y = 5x-2;
y = x + 4 и y-x = 4;
y =
10
15
x - 1 и y =
2
3
x - 3 ;
y =
5
6
x + 7 и y =
6
5
x + 7 .
x = 8, y = 14;
x = -8, y = -6;
x = 9,y = -1,8;
x = -3, y = 9;
x = 1,5, y = 6;
x = -0,5, y = 3;
x = 5, y = 12;
x = 2,5, y = 7;
x = 4, y = -3.
f(x) = -3x + 7 и g(x) = 0,5x - 2,5;
h(x) = 1- x и g(x) = x - 4;
y = x + 9 и y = x - 7;
y = - x + 5 и y = 0,2 - x.
y = *x и y = *x + 5;
y = *x + 0,4 и y = -*x + 0,4;
y =
1
*
x + 5 и y = *x- *;
y = *x +19 и y = -*x + 9;
y = *x -1,5 и y = x - 1,5;
y = *x-7 и y =
*
5
x +
6
5
.