Algebraic

Expand the following. -2(a - 4b) , 3z(z + a - 3)

Write down the coefficient of x in each of the following: (i) 5y - 2 + 2x (ii) 8 - 3x

Expand the following. (i) ½(4x - 6y) , (ii) y(y - 3x) + x(3y - 2x)

Find the value of the following expressions when n = – 2. (i) 5n – 2 (ii) 5n^2 + 5n – 2 (iii) n^3 + 5n^2 + 5n – 2

Find the HCF of: (a) 4y and 4xy (b) 4x and 12

If x = 5 and y = 6, find the values of the following expressions: (i) 5(y - x) + 2 (ii) 5 + 2y - 3x

Expand: (a) -3(2x + 1) (b) - (8 - x)

Simplify algebraic expression- (i) (3c + 4) - (2c + 3) (ii) 4c + 3 - 2c - 1

Expand: (a) 4k(k - 2l) (b) 5x(2y - 3)

Simplify: (a) c + c + c + d + d (b) (n + n) - (m + m + m) (c) 3a + 6b - a - 2b

Get the algebraic expressions in the following : (i) One-fourth of the product of numbers p and q. (ii) Number 5 added to three times the product of numbers m and n.

Evaluate: (i) 4(h - 5) when h = 9 (ii) 3z + 4 when z = 3

Suppose we have 5 bags which contain some oranges. Find how many oranges are present if each bag contains: (a) y orange and there are 2 leftover (b) t oranges and there are r left over

Factorise: (a) 2x^3 + 5x^2 (b) x^4 + 2x^3 + 3x^2

Factorise: (a) 3x + mx (b) 25x + 20

Find in the simplest form, an expression for the area A of: Length = (x+6)m width = (x+1)m