coordinate geometry - The Line

Find the slope of the line that is perpendicular to the line 2y = 3+5x.

• 0.4

• -0.4

The equation of the line L IS y = −2x + 6,

Find the equation of the line perpendicular to line L that passes through (9, 3).

• y = 0.5x +1.5

• y = 0.5x −1.5

• y = -0.5x −1.5

A is the point (-2, 0) and B is the point (0, 4).

Find the equation of the perpendicular bisector of AB.

(hint : perpendicular pass through midpoints of AB)

What is the coordinate of P?

Calculate the gradient of the line.

gradients of perpendicular lines are...

• opposite reciprocals

• opposites

• identical

• similar

A is the point (-2, 0) and B is the point (0, 4).

Find the equation of the straight line joining A and B.

Which formula is shown?

• Gradient

• Distance

• Midpoint

• Pythagoras

Find the equation of the line L in the form y = mx+c.