Q3:
The lines , , and , , are parallel. What is ?
Q4:
Which of the following relates the slopes and of two parallel lines?
Q5:
If and the gradient of , find the gradient of .
Q6:
Complete the following definition. Two line segments are said to be perpendicular if the product of their slopes is .
Q7:
Two lines and have slopes of and respectively. Are the two lines parallel or perpendicular?
Q8:
The slope of the straight line that is parallel to the -axis is .
Q9:
The coordinates of points , , , and are , and (9, 2) respectively. Are the line segments and perpendicular?
Q10:
Lines and are perpendicular to each other and meet at . If the slope of is 0, what is the equation of line ?
Q11:
Suppose that is the line and the line . Find the value of so that .
Q12:
Find the gradient of the straight line which is parallel to the straight line passing through the points and .
Q13:
If and the gradient of , find the gradient of .
Q14:
If the two straight lines whose gradients are and are perpendicular, what is the value of ?
Q15:
Suppose that the points , and are such that . What is the value of ?
Q16:
Which of the following relates the slopes and of two perpendicular lines?
Q17:
Let be the line on points and . What is the gradient of the perpendicular to that passes through the origin ?
Q18:
Given that is a trapezoid, where , and the coordinates of points , , , and are , , , and , respectively, find the coordinates of point .
Q19:
If the two straight lines and are parallel, find the value of .
Q20:
Two lines and have slopes of and respectively. Are the two lines perpendicular?
Q21:
Let be the line parallel to the line and that has -intercept . Give the equation of in the form .