Maths revision (GCC)

Algebra

100

18x = 72

Find x ?

4

200

What is the variable in this question

D + 56 = 109

D

300

Multiply (6y-3)(6y-3)

36y² -36y+ 9

400

40x / 8 = ?

when x=2

10

500

3^{2 +} 4² = 5²

^{What theorem is this an example of ?}

pythagoras

Indices

100

Simplify 14x^{2 /} 7x 

7x

200

(3x³)(3x³)

3x⁶

300

(3³)⁴ = 

3¹²

400

(x/8)²

Simplify

X² / 64

500

100 - 10 x 75 = 0

True or false 

False

-740

Circles

100

Definition of a radius 

Line from centre of circle to edge

200

Definition of a tangent

Straight line that extends from exterior point and touches circle at only one point

300

Cite Pythagoras theorem

a² + b² = c²

400

What is a cyclic quadrilateral?

4 sided shape made from chords

500

What angle does a tangent create on the circle?

90 degree angle

Trigonometry

100

Name which sides are used for Tan ?

Opposite & Adjacent

200

The longest side is referred to as what? (Triangles)

Hypotenuse

300

Sin, Cos or Tan

Opposite / Hypotenuse

Sin

400

What acronym or pneumonic do we use for Sin Cos and Tan?

SOHCAHTOA

500

Name the side facing the angle?

Opposite

Triangles

100

No equal sides

Scalene

200

All equal sides

Equilateral 

300

X = ?

X is the third angle in a triangle. One angle is 50 ‘Cand the other angle is 85’C

50 ‘C

400

In what type of triangle only can we use Pythagoras?

Right angles

500

What is the formula for area of a triangle?

1/2 (b) (h)