Straight Lines Flashcards
1
Q
How do you calculate the length of a straight line?
A
2
Q
How do you calculate the mid-point of a straight line?
A
3
Q
How do you calculate the gradient of a straight line?
A
4
Q
What is standard form for straight lines?
A
y=mx + c
Other formats:
ax + by + c = 0, by = ax + c
5
Q
How do you find x and y for a straight line?
A
Make one equal to zero
Eg
6
Q
Do a pair of parallel lines have the same or the negative reciprocal gradient?
A
7
Q
Do a pair of perpendicular lines have the same or the negative reciprocal gradient?
A
8
Q
If we have the gradient and a point that the straight line passes through, what equation do we use?
A
9
Q
A
10
Q
What does perpendicular bisector mean?
A
The midpoint of perpendicular lines
