Equation of a line

How do you calculate a gradient?

• y = mx + c

• rise/run

• y-intercept

What is the gradient of these lines?

• 0.5

• 1

• 2

• 3

What is the y-intercept of this line?

• 0.5

• 1

• 2

• 3/2

What is the gradient of this line?

• 0.5

• 1

• 2

• 3/2

What is the gradient of this line?

• 0.5

• 1

• 2

• 3

Is the gradient of this line positive or negative?

• positive

• negative

Is the gradient of this line positive or negative?

• positive

• negative

What is the gradient of this line?

• 5/6

• -5/6

• -6/5

• 6/5

The gradient of this line is -5/6. Use a calculator to work out the value.

• 1

• 1.1

• 0.83

• -0.83

What is the gradient of this line?

• 1

• 2

• 3/2

• -1/2