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10 Cards in this Set
- Front
- Back
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What is the general expression for writing numbers in standard form?
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The general expression for standard form is A × 10^n.
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How do you find the lowest common multiple (LCM) of two numbers?
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To find the lowest common multiple (LCM) of two numbers: List the multiples of the two numbers and look for the lowest number that appears in both lists.
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What is factorisation?
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Factorisation is when brackets are introduced to an expression by taking out a common factor or factors.
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What is the formula for calculating speed?
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The formula for calculating speed is: Speed = Distance/ Time
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If A and B are independent events, what is the probability of A and B occurring? |
If A and B are independent events, the probability of A and B occurring is: P(A and B) = P(A) × P(B)
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What formula can be used to calculate the size of each exterior angle of a regular polygon? |
The formula that can be used to calculate the size of each exterior angle of a regular polygon is: Exterior Angle = 360° ÷ n, where n is the number of sides.
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What is the formula that uses sine to calculate the area of any triangle? |
Area = 1/2ab sin C
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How do you work out the width and height of each bar of a histogram? |
The width of each bar of a histogram is equal to the width of the class that it represents. The height of each bar is equal to the frequency density for that class. Frequency Density = Frequency=Class/Width |
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How are the three trigonometric ones calculated (formulas).
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The three trigonometric ratios are calculated as: sin θ = Opposite/Hypotenuse cos θ = Adjacent/Hypotenuse tan θ = Opposite/Adjacent |
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What is the quadratic formula?
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The quadratic formula can be used to solve quadratic equations in the form ax2 + bx + c = 0.
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