YEAR 8 HOMEWORK ON TERM 2 TOPICS

A line has equation

 $y=3x+4$  
Which of the following is/are true about the line?

• The gradient of the line is 3

• The coordinates of the y-intercept is (4, 0)

• The coordinates of the y-intercept is (0, 4)

• The line is parallel to the y-axis

• The line has not gradient

A straight line is shown on the grid.

Work out the gradient of the straight line

• $-2$

• $-4$

• $4$

• $2$

A straight line L is shown on the grid.

Work out the equation of the straight line

• $y=x+2$

• $y=2x+2$

• $y=x+1$

• $y=2x+1$

A straight line has its equation as

 $y-3x=5$  
What is the gradient of the straight line?

Calculate the circumference of the circle (click to see the image).

Give your answer to one decimal place.

The radius of a bicycle wheel measures 25cm. Calculate the circumference of the wheel, giving your answer correct to three significant figures.

Sam measures the diameter (d) and the circumference (C) of a disk. Which of the following is/are true of Sam's findings?

•  $\frac{C}{d}=3$ 

•  $C\times d=\pi$ 

•  $\frac{C}{d}=\pi$ 

•  $\frac{d}{C}=\pi$ 

•  $C=d\times\pi$ 

A circular plate has a circumference of 37.7cm.

Calculate the diameter of the plate, correct to the nearest whole number.

In the question (click the image), take

 $\pi=\frac{22}{7}$  

Click the image to see the question.