Section 7 Higher

Question 1

What vector is used to translate a point 5 units right and 2 units down?

Answer 1

Question 2

In a right-angled triangle with angle x how do we find cos x?

Answer 2

cos x = adjacent / hypotenuse

Question 3

Is the line y = 5 horizontal or vertical?

Answer 3

Horizontal

Question 4

What are the four tests for triangle congruency? Give the initials.

Answer 4

SSS, SAS, ASA (or AAS), RHS

Question 5

What do we call the straight line that touches a curve at a point but doesn’t cross it?

Answer 5

Tangent

Question 6

What’s the formula for the sum of the interior angles of an n-sided polygon?

Answer 6

180(n-2)

Question 7

What do we call the view of a 3D object from above?

Answer 7

Plan

Question 8

What’s a geometric sequence?

Answer 8

A sequence made by multiplying by the same value each time.

Question 9

Sketch y = x²

Answer 9

Question 10

What’s an identity?

Answer 10

An equation that is true no matter what values are chosen.

Question 11

What two things do you need to list when describing an enlargement?

Answer 11

The centre of enlargement and scale factor.

Question 12

What do we call the marked angles shown here?

Answer 12

Corresponding angles