Substitution
Solve the following when x = 5:
3 + 2x
13
Exand the following using the distributive law
2(x + 4)
2x +8
Are the following like terms?
ab and ba
yes
simply
8 . y
8y
What is the HCF :
4ab and 12b
4b
Solve:
sqrt(b^2+4^2)
when b = 3
5
Expand the following expression
4x(x-6)
4x^2-24x
4a+a
5a
(ab)/(4b)
a/4
Factorise the following:
3x -9
3(x-3)
Evaluate the following expression when
a = 2 and b = 5
8a-3b
1
Expand and simplify
5x(9x-3)-4x
45x^2-19x
3b+7c+b-5c
4b+2c
(12abc^2)/(20ac)
(3bc)/5
Factorise the following:
5x^2-x
x(5x-1)
Evaluate the following expression when
a = 4 and b = 3
12/a-6/b
1
(x+1)(x-3)
x^2-2x-3
-4x^2+3x^2
-x^2
(5x)/7.(2y)/3
(10xy)/21
-12x^2yz-18xy
-6xy(2xz+3)
Evaluate the following expression when
a = -1, b = -8 and c = -4
4ab-2b+6c
24
(2x+4)(y+4)
2xy+8x+4y+16
2t+(7p)/2
(4t+7p)/2
(4a)/5 div(2b)/(7a)
(14a^2)/(5b)
2b(x+1)-3(x+1)
(2b-3)(x+1)