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Worksheets

Ecuația de gradul II

Total questions: 8

Worksheet time: 35mins

Name
Class
Date
1.
a)

-1

b)

-2

c)

2

d)

1

2.
a)

32\frac{3}{2}  

b)

-1,5

c)

1,5

d)

5,5

3.
a)

2/3

b)

[23]\left[\frac{2}{3}\right]  

c)

{−23}\left\{-\frac{2}{3}\right\}  

d)

3/2

4.
a)

x2−4x−12=0x^2-4x-12=0  

b)

x2+4x−12=0x^2+4x-12=0  

c)

x2−3x+9=0x^2-3x+9=0  

d)

2x2−2x+9=02x^2-2x+9=0  

5.
a)

S={0;3}S=\left\{0;3\right\}  

b)

S={−1;3}S=\left\{-1;3\right\}

c)

S={0;−5}S=\left\{0;-5\right\}

d)

S={2;3}S=\left\{2;3\right\}

6.
a)

(2x+1)⋅(x−3)\left(2x+1\right)\cdot\left(x-3\right)  

b)

(2x−1)⋅(x+3)\left(2x-1\right)\cdot\left(x+3\right)

c)

(2x+1)⋅(x+3)\left(2x+1\right)\cdot\left(x+3\right)

d)

(2x−1)⋅(x−3)\left(2x-1\right)\cdot\left(x-3\right)

7.
a)

4

b)

666\sqrt[]{6}  

c)

66

d)

6

8.
a)

l=15 m

L=12 m

b)

l=15 m

L=40 m

c)

l=12 m

L=15 m

d)

l=15 m

L=18 m