ICSE ICSE Class 8 - CISCE Question Bank Solutions

Draw a line segment PQ = 4.8 cm. Construct the perpendicular bisector of PQ.

In each of the following, draw perpendicular through point P to the line segment AB :

(i)

(ii)

(iii)

Draw a line segment AB = 5.5 cm. Mark a point P, such that PA = 6 cm and PB = 4.8 cm. From point P, draw a perpendicular to AB.

Draw a line segment AB = 6.2 cm. Mark a point P in AB such that BP = 4 cm. Through point P draw perpendicular to AB.

Factorise completely: 2 - 8x² 

Factorise completely: 8x²y - 18y³ 

Factorise completely: ax² - ay²  

Factorise completely: 25x³ - x 

Factorise completely:  a⁴ - b⁴ 

Factorise completely: 16x⁴ - 81y⁴  

Factorise completely: 625 - x⁴ 

Factorise completely: x² - y² - 3x - 3y 

Factorise completely: x² - y² - 2x + 2y 

Factorise completely: 3x² + 15x - 72 

Factorise completely: 2a² - 8a - 64 

Factorise completely: 5b² + 45b + 90 

Factorise completely: 3x²y + 11xy + 6y 

Factorise completely:

5ap² + 11ap + 2a 

Factorise completely: a² + 2ab + b² - c²  

Factorise completely: x² + 6xy + 9y² + x + 3y