| 1 | ||
dana jest funkcja f(x)= | wyznacz równanie prostej y=ax+b a≠0 która z wykresem ma 1 pkt | |
| x |
| 1 | ||
wspolny a=(2, | ) | |
| 2 |
| 1 | ||
y− | =a(x−2) | |
| 2 |
| 1 | ||
y=ax−2a+ | ||
| 2 |
| 1 | 1 | |||
ax−2a+ | = | |||
| 2 | x |
| 1 | 1 | |||
2a−2a+ | = | |||
| 2 | 2 |
| 1 | ||
y = − | x + 1 | |
| 4 |
| 1 | |
=2a+b b=... | |
| 2 |
| 1 | ||
y = ax + | −2a | |
| 2 |
| 1 | 1 | ||
= ax + | −2a | ||
| x | 2 |
| −1 | ||
a= | b=1 | |
| 4 |