Quiz 1 Garde 9

What does the x-coefficient tell you about the line graph of an equation written in this form?

• 
  The gradient
  

• The y-intercept

The gradient of the line with the equation y = 5x – 2 is:

• 5

• –2

On a school excursion the teacher to learner ratio is 1 : 15.

If 165 learners are going on the excursion, how many teachers are needed?

Five calculators cost 65QR.

To find the cost of 12 calculators you work out:

• 65 × 12

• 65 ÷ 12 × 5

• 65 ÷ 5 × 12

The length and width of a rectangle are each multiplied by 1.5.

What happens to the perimeter of the rectangle?

• It stays the same

• It is divided by 1.5.

• It is multiplied by 1.5.

• It is multiplied by 3.