Graphs Flashcards
What is the equation of a straight line?
y = mx + c
In y=mx + c, what does c represent?
y-intercept
In y=mx + c, what does m represent?
gradient
What type of graph?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/202/619/861/q_image_thumb.png?1481535116)
A quadratic graph
e.g. y = x2 - 4x - 5
What type of graph?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/203/056/849/q_image_thumb.png?1481535138)
A cubic graph
e.g. y = x3
What type of graph?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/203/056/866/q_image_thumb.png?1481535263)
A straight line (linear) graph
e.g. y = 2x + 6
What type of graph?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/203/056/901/q_image_thumb.png?1481535311)
A reciprocal graph
e.g. y = 1/x
What is the equation of the graph?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/203/057/079/q_image_thumb.png?1481535876)
x = 1
What is the equation of the graph?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/203/057/200/q_image_thumb.png?1481535922)
y = 2
What is the equation of the graph?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/203/057/220/q_image_thumb.png?1481535990)
y = x
What is the equation of the graph?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/203/057/222/q_image_thumb.png?1481536022)
y = -x
What is the Origin?
The co-ordinate (0,0)
If two lines are parallel, then their gradients are …
the same.
If two lines are perpendicular, then their gradients are …
the negative reciprocal.