Converting from Polar Form to Rectangular Form. Either method of notation is valid for complex numbers. Rectangular form lending itself to addition and subtraction, and polar form lending itself to multiplication and division. Hence polar form of a complex number is another way to represent a complex number. The form z = a + b i is called the rectangular coordinate form of a complex number. This representation is very useful when we multiply or divide complex numbers. Therefore argand diagram use […]
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Category: SAT Math
Scatter plot
A scatter plots have show the relationship between two sets of data. In this example, each dot shows one person’s weight versus their height. Scatter Plot
Data handling -2
To understand data handling can be displayed in various ways. Hence data handling is tabulation of data. Another we arrange data. Data handling
Data handling
To understand how data can be displayed in various ways. Hence data handling is tabulation of data. Another we arrange data. Data handling
Expansion
Expansions of Algebraic Expressions The formula: a(b+c) = ab + ac Algebraic Expansion. (a+b)(c+d)=ac+ad+bc+bd and (a+b)(a-b)= a ² – b² difference of square (a+b)² = a² + 2ab + b² perfect square (a-b) ²=a²-2ab+b² Expansion
Factorisation
Factorisation process we applied bracket to take common term out. Also we apply difference of square of variable. Hence we reduce no of terms in expression. Therefore factorisation and expansion are reverse process. Factorisation
Simultaneous Eq.
simultaneous equations are solve by the elimination. These equations are also solve by substitution as well as graphic method. Due to variable solution give coordinate. simultaneous equation
Further Probability
to calculate Further Probability. Further Probability. An event ( E) is a subset of the sample space. That is, an event is a subset of all possible outcomes. We refer to this subset of outcomes as favourable outcomes. further probabilty
Angle Properties
The total angle at a point is 360 ° w +x+y+z=3600. 2. The total angle on a straight line is 180 ° In the diagram, x+y+z=1800 3. When two straight lines cross, vertically opposite angles are equal. In the diagram, • angles a and c are equal, • angles b and d are equal. Angle […]
Further Probability
to calculate Further Probabilities. Further Probability. An event ( E) is a subset of the sample space. That is, an event is a subset of all possible outcomes. We refer to this subset of outcomes as favourable outcomes. Further Probability
