The value of m such that the points A(5, –2), B(8, –3) and C(m, –12) are collinear, is:

1. 29

2. 33

3. 35

4. 41

The equation of the straight line passing through the point (9, –9) and parallel to the y-axis is:

1. y – 9 = 0

2. y + 9 = 0

3. x + 9 = 0

4. x – 9 = 0

Two non-vertical lines with slopes m₁ and m₂ are perpendicular to each other, if:

1. m₁.m₂ = 1

2. m₁.m₂ = –1

3. m₁ = –m₂

4. m₁ = m₂

The slope of a line parallel to the line passing through the points A(3, –7) and B(5, –7) is:

1. 2

2. 1

3. –1

4. 0