Y8 AC9 Algebraic Expressions

Simplify (Revision)

100

12q-4q

8q

200

2 xx c xx 6 xx n

12cn

300

a+a+a+c+c

3a+2c

400

13-:(axx2)

13/(2a)

500

What is the expanded form of:

7e^3

7xxexxexxe

Substitution

100

If x=5 and y=6 then what is the value of 

2x-y

4

200

If d=10, e= -3, and f=5 what is the value of 

(de)/2-3f

-30

300

If n=6, evaluate 

(n^2+4)/2

20

400

The formula for the area of a triangle is below. Find the area of the triangle with base of 12m and height of 7m.

A=1/2bh

42m²

500

The formula for converting Celsius temperatures to Fahrenheit is below. What is 25^oC in Fahrenheit?

F=9/5C+32

77^oF

Simplify (Like Terms)

100

Simplify 

4k+7k

11k

200

Simplify 

7-2x-3

4-2x

300

Simplify 

2xx4axx9b

72ab

400

Simplify 

(60w)/15

4w

500

Simplify 

(-56mn)/(8m^2)

(-7n)/m

Expansion

100

Expand 

4(2n+5m)

8n+20mn

200

Expand 

-f(2+4)

-2f-4

300

Expand and simplify 

2(9n-2)+8

18n+4

400

Expand and simplify 

5(1-7e)-3(e+4)

-38e-7

500

Expand and simplify 

3(x+2)-5

3x+1

Factorising

100

Simplify 

20x+5

5(x+3)

200

Simplify 

20x-15

5(x-3)

300

Simplify 

15-5x-10y

5(3-x-2y)

400

Simplify 

x+26x^2

x(1+26x)

500

Simplify 

2x+26x^2

2x(1+13x)