Refer to Khan academy course.
Types of studies:
Sample study
Observational studies
Significant Figures
The term “significant figures” refers to the digits, in a number or measurement, which show the accuracy of the number.
Refer to wiki: Significant figuresRefer to Khan academy: Intro to significant figures
Maths is fun.
Repeating decimal
Refer to khan academy: Convert Repeating decimal to fraction
There’re some repeating decimals or recurring decimals, it's way more easier to write down with a fraction.
repeating decimals
recurring decimals
Polynomial long division
Refer to Wiki: Polynomial long division
It’s very import to understand it in the first place. Once get the idea, it’s easy to solve this problem.
First need to understand, this usually is a Degrading process.
Degrading process
Binomial theorem
Refer to math is fun: Binomial theorem
It actually is a hard term to understand at beginning. One way to do this, is to learn how to solve first, then learn what’s the theory behind it.
A rational number can always be expressed as a fraction of two integers.vice versa, a irrational number…
fraction of two integers
A Stem and Leaf Plot is a special table where each data value is split into a "stem" (the first digit or…
Stem and Leaf Plot
Refer to math is fun: Midpoint of a Line SegmentThe midpoint is halfway between the two end points of the line segment.
special angles
Trig values refer to Trigonometric values such as Sine/Cosine/Tangent values.Special angles refer to 0°, 30°, 45°, 60°
Trig values
Sine/Cosine/Tangent values
Special angles
Easier way: refer to unit circle.
unit circle