Year 9 Friday Quiz T3 Wk 9

The gradient is the ratio of vertical distance to horizontal distance. True or false.

(a)  

Two parallel straight lines have the same value of gradient. True or false

(a)  

Calculate the gradient for the straight line which passes through points (4,10) and (6,14)

• 2/5

• 2

• 1/2

• 5/2

Calculate the gradient of the straight line.

• -9/8

• -1/2

• -8/9

• -12

What is the definition of

Gradient of a Line?

• It is the measure of degrees of a line.

• It is the measure of length of a line.

• It is the measure of steepness of a line.

• It is the measure of strength of a line.

Does gradients have any units?

• Yes

• No

How do you measure gradient?

• Gradient = rise / run

• Gradient = vertical change in x / horizontal change in y

• Gradient = vertical change in y / horizontal change in x

• Gradient = run / rise

When the line is upward sloping, the gradient is ___________ .

• Positive

• Negative

• Zero

• Undefined

When the line is downward sloping, the gradient is ____________ .

• Positive

• Negative

• Zero

• Undefined

When the line is a horizontal (flat), the gradient is _____________ .

• Positive

• Negative

• Zero

• Undefined