Key info Flashcards
What type of graphs are quadratic and why is it quadratic?
x squared,
the legs have to be the same as the positive.
What is a straight line?
x
What is the reciprocal of 3?
1/3
What does reciprocal mean?
Reciprocal makes one.
What do you times to make it one?
What is the equation for distance?
Speed x time
What is the equation for Speed?
Distance / time
What is the equation for time?
distance / speed
What is the triangle for Distance, speed and time?
D
s t
What is the equation for Mass?
Density x volume
What is the equation for Density?
Mass / volume
What is the equation for volume?
mass / density
what is the triangle for mass, density and volume?
M
d v
What is the equation for force?
pressure x area
What is the equation for pressure?
force / area
What is the equation for area?
force / pressure
what is the triangle for force, pressure and area?
F
P A
How do you find the distance in a velocity time graph?
Area under the graph
How do you work out the average speed of a velocity time graph?
total time on the graph
What does this symbol represent < ?
Less than
What does this symbol represent > ?
More than
What does this symbol represent ≥ ?
More than/ equal to
What does this symbol represent ≤ ?
Less than/ equal to
If multiply/ divide across an inequality by a negative number, you…
Flip the sign
What is the quadratic equation?
x=-b±√b²-4ac divided by 2a
Sin x
O divided H
Cos x
A divided H
Tan x
O dived A