algebra
factorising
expanding
bonus questions.
100
what is an example of algebra?
(check before passing, a range of answers is accepted.)
100
factorise. 2x+4
2(x+2)
100
expand 8(8x-4x)
64x-32x
100

what is an example of  a variable with power 3?

x3

200
2x + 6 is this an expression or a term?
expression
200
factorise. 15x+30
5(x+6)
200
expand. 4(4y+8)
16y+32
200
what is the order of operations?
BODMAS Brackets first Orders Division, Muliplication Addition, Subraction
300
what is an expression made up of and give an example of one.
terms (check before passing, a range of answers is accepted.)
300
factorise. 21x+28y
7(3x+4y)
300
expand and simplify. 3(x+x2+9x)
3x+x2+9x =12x+x2
300
give an example of like terms?
(check before passing, a range of answers is accepted.)
400

solve this equation. 2x-7=21

2x-7=21 +7 

2x = 28 /2 

x = 14

400
factorise. x2-4
(x+2)(x-2)
400
expand and simplify. 9(9y+5y+7x2)
81y+5y+7x2 86+ 7x2
400
what is the difference between factorising and expanding?
factorising i when you put expressions back into brackets, whereas expanding is where you change the brackets to expressions.
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