Question

Choose the correct alternative from those given below


1) (-225)0

= --------------

a) 0 b) 1 c) 225 d) -225


2) The area of square is 100 cm2 then its length is --------- cm.

a) 50 b) 25 c) 10 d) 20


3) If x = -2 then the value of 2x3-x2is ----------

a) 20 b) -20 c) 8 d) 16


4) 16x2-121 = ------------

a) (4x-11)2

b) (4x-11)(4x+11)

c) (4x+11)(4x+11) d) (4x+11)2​

Answer 1

Step-by-step explanation:

Choose the correct alternative from those given below

1) (-225)0

= --------------

a) 0 b) 1 c) 225 d) -225

2) The area of square is 100 cm2 then its length is --------- cm.

a) 50 b) 25 c) 10 d) 20

3) If x = -2 then the value of 2x3-x2is ----------

a) 20 b) -20 c) 8 d) 16

4) 16x2-121 = ------------

a) (4x-11)2

b) (4x-11)(4x+11)

c) (4x+11)(4x+11) d) (4x+11)2

Answer 2

Answer:

0

50

8

option d

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