surds
√a x √b=
√ab
what is the upper bound of 8?
8.5
Expand 2x(x+3)
2x² +6x
What is the next term in this sequence?
1, 4, 9, 16...
25
Water is sold in two sizes:
1 gallon for 85p
2 gallons for £1.72
Which is the best buy?
1 gallon
√5 x √5 =
5
what is the lower bound for 8?
7.5
Factorise:
3x + 6
3(x + 2)
What is the next term in this sequence?
1, 3, 7, 13, 21...
31
Vegan burgers are sold in two different sizes:
8 burgers is £1.59
24 burgers are £4.79Which is the best buy?
8 burgers
5√5 x 5 =
25√5
53 to the nearest 10.
50
Expand and simplify:
(x + 3)2
1. (x + 3)(x + 3)
2. x2 + 6x + 9
What do you do to the second difference in a quadratic sequence?
Divide it by 2.
Erin has two different sized cats.
Cat 1 inhales £34 worth of food every 3 hours.
Cat 2 eats £61 worth of food every 8 hours.
Which cat spends the least amount of money?
Cat 1
Express the following in the form a√b, where a and b are integers:
√12 = √___ x √3 = ___√3
√12=√4 x √3 = 2√3
Find the upper bound of 352.7
352.75
x2 + 6x - 7 =
(x + 7)(x - 1)
Work out the nth term for:
5, 9, 17, 29, 45.
2n2 - 2n + 5
Potatoes cost £9 for a 12.5kg bag in a farm shop.
The same type costs £1.83 in a 2.5kg bag at the supermarket.
Which is the best buy?
Farm shop
√45 times x = √180
2
Correct to 2 d.p, the volume of a solid cube is 3.37m3. Calculate the upper bound for the surface area of the cube.
13.5m2
Expand and simplify this tripple bracket:
(x-1)(x+2)(x+3)
x3 + 4x2 + x - 6
Find the 50th term of 1,4,9,16,25?
2500
6 x 39 =
234