Algebra - Expanding brackets; simplifying and simple binomials

Expanding brackets

Factorise

Expand and Simplify

Binomials

Bonus

100

Which two numbers add to 7 and multiply to 10

5 and 2

5 + 2 = 7

5 x 2 = 10

100

factorise. x²+6x+9

(x+3)²

100

5x(x - 1)

5x² - 5x

100

(x + 6) ( + 5)

x²+ 11x + 30

100

what is an example of a Non-Monic

(3x+1)(x+2)

200

Which two numbers add to -8 and multiply to 12

-6 and -2

-6 + -2 = -8

-6 x -2 = 12

200

factorise. 25x+30

5(5x+6)

200

-n(n - 9)

-n² + 9n

200

(r + 5) (r - 8)

r²- 3r -40

200

what is the order of operations?

BIDMAS Brackets, Indicies, Division, Muliplication Addition, Subraction

300

Which two numbers add to 15 and multiply to 50

5 and 10

5 + 10 = 15

5 x 10 = 50

300

factorise. x²-16

(x+4)(x-4)

300

Wow - you are so lucky - you just won the points!

Congratulations!

300

(3n + 2)(n - 1)

3n²- n - 2

300

give an example of like terms?

3x+8x

400

Which two numbers add to -5 and multiply to -6

-6 and 1

-6 + 1 = 5

-6 x 1 = 5

400

x²+9x+20

(x+4)(x+5)

400

3xy(2 - y) - (4x + 8)

6xy - 3xy² - 4x - 8

400

(2a + 5)(4a - 3)

8a²+ 14a - 15

400

What is the difference between factorising and expanding?

factorising is when you put expressions back into brackets, whereas expanding is where you change the brackets to expressions.

500

Which two numbers add to 9 and multiply to -52

13 and -4

13 + -4 = 9

13 x -4 = -52

500

x²+8x+16

(x+4)(x+4) or (x+4)²

500

s(2r - 3s) + 2r(3r - 2s)

3s²+ 6r²- 2rs

500

(3r - 2)(8r - 7)

24r²- 37r + 14

500

Who is Ms Walker's favourite singer?

T Swizzle