Grade 10 : linear Flashcards
1
Q
First step of drawing a linear function ?
A
Draw the mother graph
2
Q
What does the value of a represent in linear functions ?
A
a is the slope or gradient of the line
a>0 slopes up from L to R
a
3
Q
What does q represent in a linear function?
A
q>0 shifts q units upwards
q
4
Q
Linear functions in dual intercept method ?
A
bx +cy =d
X=0
Y=0
5
Q
Gradient of lines ?
A
Horizontal line = 0
Vertical line = undefined
6
Q
Y=ax + q?
A
Domain : (-infinity ; infinity)
Range : (-infinity ; infinity)
7
Q
Determining the equation ?
A
1) given y-cut and another point = make y cut q and sub in points
2) given 2 points = determine gradient of a and sub in
8
Q
Simultaneous equations ?
A
Determine intersection
9
Q
Linear functions - general equation ?
A
Y=ax+q
