Basic Gradient, X & Y Intercepts

What slope is represented here

• negative

• zero

• undefined

• positive

What slope is represented here

• Positive

• negative

• undefined

• zero

Which of these lines has a negative gradient?

(read the line from left to right)

• The orange one
• The red one
• The blue one
• The green one

What is the y-intercept of this line?

note: the line crosses the y-axis

• 1.5

• 3
• -3

The gradient of horizontal line is .........

• Always zero
• undefined
• Always positive 
• Always negative

Answer explanation

horizontal line is a flat line, it has zero gradient.

Find the gradient of the line.

• Undefined

• 0

• 1

• -1

Find the slope of the line.

• Undefined
• 0
• positive

• negative

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

• Positive

• Negative

• Zero

• Undefined