Algebra Revision

Fun with Equations

100

Solve: 2x + 2 = 18

x = 8

200

Solve: 3x + 4 = 7

x = 1

300

Solve: 3x + 3 - 2x = 21

x = 18

400

Solve: 4x - 5 - 3x + 2 - 2x = 9

x = -12

500

Solve: 21 = x - 12

x = 33

Miscellaneous

100

Expand and simplify 

3(x+2)+5

3x+11

200

Algebra: simplify: 3(2wd3 - 3) + wd3 

Algebra: 21dw - 9 

300

Algebra: Solve for a: ax + b = c 

Algebra: a = (c - b)/x 

400

Simplify: a(b - c) - 2a(c + b)

-1ab - 3ac

500

simplify 3 x m x m x 6

18m^2

Linear Relationships

100

Algebra: What is the point-slope form of a linear equation: 

Algebra: y - y₁ = m(x - x₁) 

200

what is the gradient of this line?

y=2x-4

2

300

what is the y-intercept of this line?

y+4=3x

-4

400

What is the gradient of 

y=x/5 

1/5

500

What is the gradient of 

2y+4x=12

-2

Substitution

100

Solve y=2x when x=4

8

200

solve 3=4-y+x when x=7

14

300

A car drives 360km in 6 hours. What is its average speed?

60km/hour

400

Harry has to drive to work, which is 37.5km away. If he leaves at 7:30am and drives at 50km/hour. What time will he arrive?

8:15am

500

A car is travelling at 95 km/h.

How far will it travel in 2 hours and 30 minutes?

237.50km

Stuff

100

What is Mr Archer's first name?

James

200

What is Miss Phillips favourite place in the whole world?

Disney Land 

300

What year was Mr Burns born?

1961

400

In months, how old is Mrs Hobbs-Haigh's daughter?

15

500

What is Mr Bubb's sport

Martial Arts