math revision (unit 1~9)

Unit 5: Y is on a bearing of 90° from X. What is the bearing of X from Y?

• 260

• 270

• 90

• 180

Unit 4: How many lines of symmetry does this have

• 4

• 2

• 8

• none of the above

Unit 8: Line AB has a gradient of 5, what is the gradient of a line perpendicular to it?

(a)  

If a line passes through the points (1,5) and (3,9) what is the gradient?

• 2x+3

• 2x

• 2

• y=2x+3

Define perpendicular

• At an angle of 90° to something

• At an angle of 90°

• Parallel to a line

• None of the above

• 90°

Which is the full definition of parallell

• Perpendicular to a line

• side by side to a line

• facing the same direction

• None of the above.

I invest $1000 into a bank which has 2.56 percent compound interest every year how much interest will I have in 6 years?

• 1163.77

• 1153.60

• 163.77

• 153.6

If a shape has an interior angle of 179 how many sides does it have?

(a)  

If a polygon has an exterior angle of 15°, how many sides does this polygon have?

• 12

• 12°

• 24°

• 24

What is the equation of a line parallel to the line 3x+4 which passes through the point (1,4)?

• 3x+1

• y=3x+1

• y=2x+2

• 3x