About Lesson
17.4 Exponential Equations 指数方程式
Solve the following equations :
解下列方程式:
(1)
=
Answer:
–6, 2
(2)
5 + 5 = 6
Answer:
0, –1
(3)
3 + 9x– 18 = 0
Answer:
1
(4)
2 – 57 = 65(2 – 1)
Answer:
x = 3
(5)
3 + 9 = 33 + 9
Answer:
1.096
(6)
2(4 + 4 + (2 + 2) = 6
Answer:
0
(7)
5 = 10
Answer:
0.769
(8)
3 = 4
Answer:
1.48
(9)
6 = 3
Answer:
2.712
(10)
Answer:
1, 3, 4, 5
(11)
Answer:
1, 3, –7