Mathematics Unit 2 Test

Square a number and then subtract your result from 10.

• 2− 10 m

• 10 − 2m

• m^2 − 10

• 10 − m^2

The price of a box of chocolates is $b and the price of a tin of toffees is $t. Which of these is the price of five boxes and chocolates and three tins of toffees?

• 5b + 3t

• b + t + 8

• 5b − 3t

• 5(b + 3t)

p+7/5 - p means :

• (p + 7) ÷ 5 − p

• (p + 7) ÷ (5 − p )

• p + 7 ÷ 5 − p

• p + 7 ÷ (5 − p )

–(y – 8) =

• y + 8

• –y+ 8

• – y– 8

• y – 8

9 – 2u² (3u– 1) =

• 9 – 6u³ -2u²

• 9 – 4u²

• 9 – 6u³ – 2u²

• 9 – 8u³+ 1

Kaen expands –7uv(2uv – v² + u²).

His expansion is –14u²v² – 7uv³ + 7u³v.

Choose the correct statement.

Kaen’s expansion is:

• correct

• 
  incorrect, it should be –14u²v² – 7uv³ – 7u³v

• 
  incorrect, it should be –14u²v² + 7uv³ – 7u³v

• 
  incorrect, it should be –14u²v² – 7uv³ + 7u³v

−2, −1, 0, 1, 2, 3, 4, 5

Which inequality has this list of integer values?

Select all correct answers.

• −2 ≤ a < 6

• −2 1/5  ≤ n ≤ 6 8/9

• −3 < p < 6

• −2.1 < x < 5.3

The smallest integer value that satisfies an inequality is −6. There are 9 integers in its list. Write the inequality.

How long is the perimeter of this rectangle?

This formula converts degrees Fahrenheit into degrees Celsius. Use it convert 23 °F into degrees Celsius