Free Printable Vzorce 2

1.

$\left(2a-b\right)\left(2a+b\right)=$ Upravte:

a)

$4a^2-b^2$

b)

$4a^2+b^2$

c)

$4a-2b$

d)

$2a^2-b^2$

2.

$\left(7x-5y\right)\left(7x+5y\right)$

a)

$49x^2+25y^2$

b)

$49x^2-25y^2$

c)

$14x^2-10y^2$

d)

$14x^2+10y^2$

3.

$64u^2-36v^2=$

a)

$\left(8u-6v\right)\left(8u-6v\right)$

b)

$\left(8u^2-6v^2\right)\left(8-6\right)$

c)

$\left(8u-6v\right)\left(8u+6v\right)$

d)

$\left(8u+6v\right)\left(8u+6v\right)$

4.

$x^2-4y^2=$

a)

$\left(x+2y\right)\left(x+2y\right)$

b)

$\left(x-2y\right)\left(x-2y\right)$

c)

$\left(x+4\right)\left(x-y^2\right)$

d)

$\left(x-2y\right)\left(x+2y\right)$

5.

$9a^2-16z^2=$

a)

$\left(3a-4z\right)\left(3a+4z\right)$

b)

$\left(3a+4z\right)\left(3a+4z\right)$

c)

$\left(3a-4z\right)\left(3a-4z\right)$

d)

$\left(9a^2-4z\right)\left(1+4z\right)$

6.

$25y^2-16z^2=$

a)

$\left(5y-4z\right)\left(5y+4z\right)$

b)

$\left(5y+4z\right)\left(5y+4z\right)$

c)

$\left(5y-4z\right)\left(5y-4z\right)$

d)

$\left(25y-4z\right)\left(y+4z\right)$

7.

$\left(a-6b\right)\left(a+6b\right)=$

a)

$a^2+36b^2$

b)

$a^2-36b^2$

c)

$a^2-36$

d)

$a^2-6b^2$

8.

$\left(2m+3n\right)\left(2m-3n\right)=$

a)

$4m^2+9n^2$

b)

$4m\left(m+3n\right)$

c)

$4m-9n$

d)

$4m^2-9n^2$

9.

$\left(\frac{1}{3}x+y\right)\left(\frac{1}{3}x-y\right)=$

a)

$\frac{1}{9}x^2-y^2$

b)

$\frac{1}{9}x^2+y^2$

c)

$\frac{1}{9}x^{ }-y^{ }$

d)

$\frac{1}{9}x^{ }+y^2$

10.

$\left(0,2p-0,1q\right)\left(0,2p+0,1q\right)=$

a)

$0,4p^2-0,1q^2$

b)

$0,04p^2-0,01q^2$

c)

$2p^2-q^2$

d)

$0,04p^2-q^2$

Vzorce 2

Total questions: 10

Worksheet time: 5mins

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