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Теорема Виета

Total questions: 39

Worksheet time: 13mins

Name
Class
Date
1.

x2 - 11x + 24 = 0

a)

-4; -6

b)

3; -8

c)

2; 12

d)

3; 8

2.

x2 - 13x + 36 = 0

a)

4; 9

b)

-4; 9

c)

4; -9

d)

-4; -9

3.

x2 + 17x + 30 =0

a)

-5; -6

b)

2; 15

c)

1; 30

d)

-2; -15

4.

x2 = 80 - 11x

a)

не могу решить по теореме Виета

b)

-8; 10

c)

80; -11

d)

-16; 5

e)

15; -6

5.

0 = -2x2 -100 - 54x

a)

27; -2

b)

50; 4

c)

-2: -25

d)

-50; -2

6.

0 = -2x2 -100 - 54x

a)

27; -2

b)

50; 4

c)

-2: -25

d)

-50; -2

7.

x2 - 12x -45 = 0

a)

9; -5

b)

15; -3

c)

-4; 16

d)

18,5; -4,5

8.

-x2 +26x +27 =0

a)

1; -27

b)

26; -1

c)

13; 2

d)

корней нет

e)

27; -1

9.

Решите уравнение: x2+x-56=0

a)

x1 = - 7 ; x2 = -8 .

b)

x1 = - 8 ; x2 = 7 .

c)

x1 = 8 ; x2 = -7 .

d)

x1 = 8 ; x2 = 7 .

10.

корни уравнения

a)

-5

b)

-1

c)

5

d)

1

11.

корни уравнения

a)

3

b)

4

c)

-3

d)

-4

12.

корни уравнения

a)

3

b)

-2

c)

-3

d)

2

13.

корни уравнения

a)

-8

b)

-3

c)

8

d)

3

14.

корни уравнения

a)

-8

b)

-3

c)

8

d)

3

15.

корни уравнения

a)

-10

b)

2

c)

10

d)

-2

16.

корни уравнения

a)

-15

b)

-2

c)

15

d)

2

17.

корни уравнения

a)

-12

b)

2

c)

12

d)

-2

18.

корни уравнения

a)

5

b)

4

c)

-5

d)

-4

19.

корни уравнения

a)

5

b)

4

c)

-5

d)

-4

20.

x2 - 11x + 24 = 0

a)

-4; -6

b)

3; -8

c)

2; 12

d)

3; 8

21.

x2 + 17x + 30 =0

a)

-5; -6

b)

2; 15

c)

1; 30

d)

-2; -15

22.

x2 - 14x + 40 = 0

a)

-0,4; -100

b)

4; 10

c)

-10; 4

d)

-4; -10

e)

правильного ответа нет

23.

x2 - 14x + 40 = 0

a)

-0,4; -100

b)

4; 10

c)

-10; 4

d)

-4; -10

e)

правильного ответа нет

24.

x2 = 80 - 11x

a)

не могу решить по теореме Виета

b)

-8; 10

c)

80; -11

d)

-16; 5

e)

15; -6

25.

0 = -2x2 -100 - 54x

a)

27; -2

b)

50; 4

c)

-2: -25

d)

-50; -2

26.

x2 - 12x -45 = 0

a)

9; -5

b)

15; -3

c)

-4; 16

d)

18,5; -4,5

27.

x2 - 12x -45 = 0

a)

9; -5

b)

15; -3

c)

-4; 16

d)

18,5; -4,5

28.

-x2 +26x +27 =0

a)

1; -27

b)

26; -1

c)

13; 2

d)

корней нет

e)

27; -1

29.

-x2 +26x +27 =0

a)

1; -27

b)

26; -1

c)

13; 2

d)

корней нет

e)

27; -1

30.

x2-5x+6=0

a)

2; 3

b)

6; 1

c)

5; -1

d)

-2; 3

e)

-1; 6

31.

x2-3x-10=0

a)

-5; 2

b)

-2; -5

c)

-2; 5

d)

10; -1

e)

2; 5

32.

x2+x-30=0

a)

15; 2

b)

-2; 15

c)

10; 3

d)

-5; -6

e)

-6; 5

33.

x2+x-6=0

a)

6; -1

b)

2; -3

c)

2; 3

d)

-6; -1

e)

-2; 3

34.

x2+6x+8=0

a)

-2; -4

b)

2; 4

c)

8; 1

d)

-2; 4

e)

-1; 8

35.

x2-9x+20=0

a)

5; -4

b)

2; 10

c)

4; -5

d)

4; 5

e)

-5; 10

36.

x2-5x-14=0

a)

7; -2

b)

14; -1

c)

-7; 2

d)

-14; 1

e)

-14; 1

37.

x2+2x-24=0

a)

8; -3

b)

-3; -8

c)

-6; 4

d)

12; 2

e)

6; -4

38.

х2+2х-48=0

a)

-6 и 8

b)

-8 и 6

c)

24

d)

8 и 6

39.

х2+2х-48=0

a)

-6 и 8

b)

-8 и 6

c)

24

d)

8 и 6

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