Trigonometry
Equations
Linear Relationships
Perimeter, Area, Surface Area and Volume
Probability and Statistics
100

If a triangle has sides of all different lengths, is it a equilateral, isosceles or scalene?

Scalene
100

What is the inverse (opposite) operation to addition?

Subtraction

100

What is another name for the xy-plane?

The Cartesian Plane.

It's named after French Mathematician Rene Descartes.

100

What is the area of the rectangle?

A=lxxb

A=2xx4

A=8

100

What is the probability of even chance as a percentage?

50%

200

Is an angle of 150: an acute angle, an obtuse angle, a reflex angle or a revolution?

An Obtuse Angle

200

Define inverse operation.

The opposite operation, for example multiplication and division are inverse operatons.

200

What are the coordinates of point B?

The coordinates are (1, 2).

200

What is the perimeter of the shown shape?

3+3+6+6=18 km

200

If something is impossible, what would its probability be?

0

300

The hypotenuse is the shortest side of a right-angled triangle. True or false?

False. The hypotenuse is the longest side of a right-angled triangle, directly across from the right angle.

300
Solve the equation: 2x=4

2xxx=4

(2x)/2=4/2

x=2

300

Is this linear relationship positive, negative, zero or undefined?

Negative.

300

If a length is measured in m, what would the unit of area be?

m^2

300

What is the probability of getting a 3 on a fair six sided die?

1/6

400

What is the hypotenuse of the triangle shown?

It is 5 because the hypotenuse is the always the longest side across from the right angle.

400

Solve the following equation:

(x+4)/2=5

(x+4)/2xx2=5xx2

x+4=10

x+4-4=10-4

x=6

400

What is the x and y intercept of the following?

The x-intercept is 2 and the y-intercept is also 2.

400

What is the formula for the area of a triangle?

A=1/2bh

400
What is the statistical term for an average (it starts with an m)?

Mean

500

What is the acronym we use to remember the trig ratios?

SOHCAHTOA

500

Solve the equation:

2x+1=11

The answer is 5.

2xxx+1-1=11-1

2x=10

(2x)/2=10/2

x=5

500

Which of the following is not a linear relationship?

a) 2x+1=y

b) 12=x+y

c) y=3x^2

c because the highest power of a linear relationship must be 1.

500

Find the volume of the shape:

Volume = Area x Height


500

Which one of the following currently defines the mode?

a) The sum of all the data values divided by the total number of values.

b) The middle data value.

c) The most repeated data value.

c) The most repeated data value.

600

What type of ratios need to be used to find unknown angles?

For example:

Sinx=2/3

The inverse ratios.

sin^(-1)

600

Solve the equation: 

(x+2)(x-3)=0

Using null factor law: 

x=-2 and 3

600

Given that the formula for gradient is m=rise/run. What is the gradient of the line?

m=(rise)/(run)=2/2=1

The gradient is 1.


600

Which of the following formulae is the correct formula for the area of sector?

a) A=pir^2

b) A=theta/(360)xxpir^2

c) A=1/2xy

b) A=theta/(360)xxpir^2

600

What is the mode of the following data values:

1, 2, 4, 4, 4, 5, 5, 6

The 4 as it is the most repeated number.