Proportion Flashcards
1
Q
direct proportion
A
when one variable is dp to another variable, as one variable increases, the other increases as well
2
Q
write a direct proportion in terms of y with a gradient of 3.2
A
y = 3.2x
3
Q
Direct proportion on graph
A
- straight line
- passes through ( 0 , 0 )
4
Q
equation for direct proportion
A
y = mx
5
Q
how to find the gradient (m) of d.p
A
y/x = m
6
Q
inverse proportion
A
when one variable increases the other decreases
7
Q
inverse proportion equation
A
xy = k
8
Q
k is…
A
- the product of two variables
- constant
- man days
9
Q
inverse proportion on graph
A
- hyperbola
