Section 3: Graphs Flashcards
1
Q
When plotting quadratics using a table of values
A
Substitute each x value to get y value
Plot and join with smooth curve
2
Q
What is the equation for circles on a graph
A
X² + y² = r²
3
Q
In distance time graphs the gradient equals
A
The speed
4
Q
In velocity time graphs the gradient equals
Flat sections equal
A
Acceleration
A steady velocity
5
Q
The gradient of a graph can represent
A
The rate
6
Q
How to estimate rate at a given point
A
Draw a tangent off the point given and find gradient
