Straight lines

Which line has a gradient of 3?

• y=2x+3

• y = 3x-2

• y=4x+3

• y=x+3

Which line is parallel to the y-axis?

• y=3

• y=x

• x=3

• y=x+3

Which line is not straight?

• y=2x

• y=3x-1

• y=3

Which line has coordinate (2,5) on it?

• y=2x+5

• y=x-2

• y=3x+3

• y=x+3

Which line is parallel to the x-axis?

• y=x

• y=5

• x=4

• y=x+2

Which line goes through the origin?

• y=x+3

• y=3x-1

• y=4x

• y=2x+3

Which line cuts the y-axis at 3?

• y=3x+1

• y=3x

• y=3

• y=x-3

Which line is parallel to y=2x+3

• y=3x+3

• x=3

• y= 1+2x

• y=2

Which line is perpendicular to y=3x-1

• y=1-3x

• y=3x+2

A triangle is formed by the points (1,5), (1,10) and (3,17)

What is the area of the triangle?

• 5

• 10

• 42.5

• 66