Maths Flashcards on Maths Chapters 13-18, created by scudf001 on 12/06/2013.
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Created by scudf001
over 11 years ago
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Created by scudf001
over 11 years ago
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To solve normal linear equations you use
EXAMPLE QUESTION:
SOLVE
8+5y=18
EXAMPLE QUESTION:
SOLVE
4(y-5)=24
What do you do when you have a question like this:
12/(p+2) = 3
What do you do when you have a question like this:
x+1/2 - 4x-1/3 = 5/12
What do you do if you are given a question like this:
p/5 + 3 = 7
When you need to set up a linear equation from a word problem, you have to
What is:
Formula
Expression
Equation
Identity
What do you do when you are asked to increase £200 by 40%?
What happens when you are asked to decrease £200 by 5%?
How do you work out Percentage Profit?
How do you work out Percentage Loss?
If you are asked to work out simple interest you
If you are asked to work out compound interest you
What is the general equation of a straight line?
EXAMPLE QUESTION:
Your given the equation y=2x+3, both y and x are unknown, work out what y and x are if x goes from 0 to 5.
If you are given the equation 2x+y=6 you have to
If you are given the equation 2x+3y=12 you
To find the mid-point of a line you
The gradient is
To work out the gradient you
If you are asked to find the y-intercept if you are given two or more coordinates and the gradient you
Any line that has an equation with the same gradient
If the equation of a line is y=3x, the perpendicukar line would be
If the ratio is in the same units
EXAMPLE QUESTION:
If you are given the ratio of green paint as B:Y - 2:5 and you know that they use 140ml of yellow paint. How much blue paint would they use?
Inverse Proportion is where
How do you describe a transformation?
How do you describe a reflection?
How do you describe a rotation?
How do you describe an enlargement?
The scale factor forn an enlargement is
Fractions or decimals as a scale factor make the enlargement
If the scale factor is a negative, you draw the enlargement
What is the difference between discrete and continuous data on histograms?
When there are unequal class intervals in a bar you
What ar the equations for
Frequency Density
Frequency
Class Width
A frequency polygon...
What happens when you draw a histogram/polygon for cumulative frequency?
How do you find the angles and the radius for Pie Charts?
