Unit 6 - Graphs Flashcards
What is a linear graph?
A graph that produces a STRAIGHT LINE.
What is the equation for a linear graph?
Y = mx + C
What does m stand for?
Gradient
What does C stand for?
Y crossing point.
What can you draw from an equation?
A values table.
How do you find the midpoint of a line?
Add x coordinates and divide by two.
Add y coordinates and divide by two.
What is the gradient rule for parallel lines?
SAME GRADIENT.
What is the gradient rule for perpendicular lines?
RECIPROCAL GRADIENT.
What is he GRADIENT in a distance time graph?
The speed
What does a flat section on a distance time graph mean?
It has STOPPED.
What does a negative GRADIENT on a distance time graph mean?
THE OBJECT IS COMING BACK
What is the acronym for GRADIENT?
VERY HOT
What does the gradient on a velocity time graph show?
ACCELERATION.
What do flat section on a velocity time graph mean?
OBJECT GOING AT THE SAME SPEED.
How can you tell it is a quadratic graph?
It has an x squared in.
What shape does x squared make?
U
What shape does a negative x squared make?
n
What does adding a number in front of the x squared do?
Makes the line steeper.
What does adding or taking away nx do to a quadratic graph?
Makes the curve go up or down on the y axis.
What does a cubic graph have?
X cubed.
What shape is a positive cubic graph?
S
What shape is a negative cubic graph?
A backwards s.
How do you draw a circular graph?
Square root the last number for the radius.
What does a reciprocal graph do?
GOES ON FOREVER.
What is the equation for a reciprocal graph?
Y = n/x
