Section 8 Higher

Question 1

How many milligrams in a gram?

Answer 1

1000

Question 2

What is the gradient of a straight line perpendicular to the straight line with gradient negative two thirds?

Answer 2

3/2

Question 3

What formula can you use to find the area of a triangle when you are given two sides and the included angle?

Answer 3

Half x a x b x sin(C)

Question 4

In a set of 19 numbers, which number is the lower quartile?

Answer 4

The fifth number

Question 5

Sketch y = x³

Answer 5

It’s a cubic graph

Question 6

What makes two vectors equal?

Answer 6

They have the same length (magnitude) and direction

Question 7

If the length scale factor is k, what is the area scale factor?

Answer 7

k²

Question 8

What’s the name for a quadrilateral which has all four vertices touching the circumference of a circle?

Answer 8

Cyclic quadrilateral

Question 9

In set notation what is meant by the complement A’?

Answer 9

Not A

Question 10

What’s the sum of the exterior and interior angle of any polygon?

Answer 10

180 degrees

Question 11

What’s the value of cos 0?

Answer 11

1

Question 12

What do we call this sequence and how do we get the next term? 1, 1, 2, 3, 5, 8, ….

Answer 12

Fibonacci sequence: Add the previous two terms