Equation of a line

The standard equation of a line is given by the expression...

• y=mx+n

• y=mx(x+n)

• y=m/x+n

• None of the others

The gradient of a line is...

• the steepness of the line

• the intersection with the y-axis

• the x-change out of the y-change

• none of the others

The equation of the line is a linear expression.

• True

• False

When the lines are parallel, the gradients are..

• opposite and reciprocal

• equal

• 1

• None of the others

The gradient of a horizontal line is..

• 1

• 0

• negative

• positive

Vertical lines are represented by the expression x=k

• True

• False

The product of the gradients of perpendicular lines is..

• -1

• 1

• positive

• none of the others

When a point lies on a line...

• its coordinates verify the equation of the line

• the coordinates are equal

• the coordinates are on the x-axis

• None of the others

Given the coordinates of two points on the cartesian plane it is possible to find the equation of a line.

• True

• False