Project ID:
7100020065
Accepted:
Typ:
Layout:
Question:
Najděte dvojice rovnic a jejich řešení.
Questions Title:
Rovnice
Answers Title:
Řešení
Question 1:
$\log_2(x+3)=2$
Answer 1:
$1$
Question 2:
$\log_x 16=2$
Answer 2:
$4$
Question 3:
$\log_{|x|} 9=2$
Answer 3:
$-3;~3$
Question 4:
$\log_{x^2} 16=2$
Answer 4:
$-2;~2$
Question 5:
$\log_2(x+2)=3$
Answer 5:
$6$
Question 6:
$$\log_{10}(2x+4)=1$$
Answer 6:
$3$
Question 7:
$\log_2 |x-3|=0$
Answer 7:
$2;~4$
Question 8:
$\log_{10}(x+3)=0$
Answer 8:
$-2$
Question 9:
$\log_{\frac13}27=3x$
Answer 9:
$-1$