๐Maths Fun๐๐ Flashcards
1
Q
How do you find prime factors and what are they
A
Prime factors are factors of a number which are prime numbers, you use a factor tree to find prime factors
84 /\ 2 42 /\ 7 6 /\ 3 2
2
Q
How do you plot a sine graph
A
It goes from 1 to minus 1
A sine graphs line goes through zero
3
Q
What is the plot of a cosine graph
A
It passes x=0 at y=1
Remember it does not go through 0,0
4
Q
y-y=m(x-x1) what is it
A
Finding the equation of a line
5
Q
What do you use to find the equation of a line
A
y-y1=m(x-x1)
Y1= point where the line meets the y axis
x1=point where x meets the x axis
6
Q
Steps of a histogram
A
Draw x y axis
Frequency density= frq/width of each group