1. A lot of money...last year
a)spent b)is spent c)was spend
2. You had a good time there,...?
a)hadn t you b)had you c)didn t you
3. I am a bad singer,...?
a)aren t I b)isn t it c)don t I
4. This is a very good idea,...&
a)isn t this b)isn t it c)isn t there
5. The garden looks...
a)nicely b)nice c)well
6. They had to run fast,...?
a)hadn t they b)had they c)didn t they
7. John is a...speaker
a)slow b)slowly c)well
8. Never listen...him
a)to b)- c)at
9. What is she looking...?
a)to b)- c)at
10. Don t laugh...him
a)on b)- c)at
ОДЗ
2x-1≥0
2х≥1
х≥0,5
х-2≥0
х≥2
х∈[2; +∞)
\sqrt{2x-1}=(x-2) \\ \\ ( \sqrt{2x-1})^2=(x-2)^2 \\ \\ 2x-1= x^{2} -4x+4 \\ \\ x^{2} -6x+5=0 \\ \\ D=6^2-4*5=16 \\ \\ x_1= \frac{6-4}{2}=1 \\ \\ x_2= \frac{6+4}{2}=5
x₁=1 не подходит по ОДЗ
ответ х=5
Объяснение: