BLANKS [1 Marks Each]

Questions

5 questions · self-marked practice — reveal the answer and mark yourself.

Question 11 Mark

$(x+a)(x+b)=x^2+(a+b) x+$ __________

Answer

$a b$

Question 21 Mark

$(a-b)^2+$ __________ $=a^2-b^2$

Answer

$2 a b-2 b^2$

Question 31 Mark

$105^2-103^2=$ __________ $\times(105-103)=$ __________

Answer

$(105+103)(105-103)=208 \times 2=416$

Question 41 Mark

The factorisation of $3 x+15 z$ is. __________

Answer

$3(x+5 z)$

Question 51 Mark

The common factor method of factorisation for a polynomial is based on __________ law.

Answer

Distributive law

BLANKS [1 Marks Each] - MATHS STD 8 Questions - Vidyadip

MATHS BLANKS [1 Marks Each]