Section 6 Higher

Question 1

If y = k / x what’s the proportional relationship between x and y?

Answer 1

y is inversely proportional to x

Question 2

What do we call a straight line across a circle that isn’t a diameter?

Answer 2

Chord

Question 3

What axis is the line x = 0?

Answer 3

The y-axis

Question 4

How many centilitres in a litre?

Answer 4

100

Question 5

What’s the formula for the area of a sector?

Answer 5

πr² x angle / 360

Question 6

What decimal multiplier is used to decrease a value by 15%?

Answer 6

0.85

Question 7

How do we find a median of a set of numbers?

Answer 7

Write them in order to find the middle number

Question 8

Evaluate 10 to the power of minus 2

Answer 8

1/100 = 0.01

Question 9

What’s the sum of the exterior angles of a polygon?

Answer 9

360 degrees

Question 10

What do we know about two linear graphs that have the same gradient and different y intercepts

Answer 10

They are parallel

Question 11

List the four types of transformation

Answer 11

Refection, rotation, translation, enlargement

Question 12

In a right-angled triangle with angle x, how do we find sin x

Answer 12

sin x = opposite / hypotenuse