Year 8 Math Revision

Which equation represents the graph?

• y = 2/3x + 5

• y = 3/2x + 5

• y = -3/2x + 5

• y = -2/3x + 5

The interior angles of a triangle add up to how many degrees?

• 90

• 180

• 270

• 360

How many students speak a foreign language?

• 80

• 85

• 65

• 60

What is the length of the hypotenuse?

• 100

• 28

• 14

• 10

Which of the following expressions represents the perimeter of the figure above?

• 4(x + 4 + 1)

• 2(x + 4) - 2(x + 1)

• 2x + 5

• 4x + 10

What is the solution of the equation below?

4m + 2 = -3m + 16

• m = 1.5

• m = 2

• m = 14

• m = 18

Between which two whole numbers is...

• 5 and 6

• 6 and 7

• 18 and 19

• 37 and 38

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters
• 15 chapters
• 18 chapters
• 21 chapters

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D

Simplify:  $\sqrt{\frac{25}{100}}$  

•  $\frac{25}{144}$  

•  $\frac{5}{10}$  

•  $\frac{1}{2}$  

• 0.25