M4 Q2 Maths Formula (For both Standard & Extended)

What is the formula for arithmetic sequence?

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• a + (n-1)d

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What is the formula for geometric sequence?

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• a+(n-1)d

What does 'r' in geometric sequence stands for?

• Ratio: U2/U1

• Ratatouille:
  The rat movie

• Racoon dog

• Rational number: Any random number

What is the formula for quadratic sequence?

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• a+(n-1)d

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What is the formula for linear equation?

• y = mx + c

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• x+y

• y = abcd

How to find the "gradient" (m) in linear equation?

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How to find the midpoint of a linear equation?

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How to find the distance between two coordinates?

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Which of the following formula is used to find the perpendicular line of the given line: ('m' as a gradient)

m1 -> the given line's gradient
m2 -> the gradient of the line that you would like to find

• m1/m2

• m1 x m2 = -1

• m1 = m2

• m1^m2

Which of the following formula is used to find the parallel line of the given line: ('m' as a gradient)
m1 -> the given line's gradient
m2 -> the gradient of the line that you would like to find

• m1 x m2 = -1

• m1/m2

• m1 = m2

• m1^m2