755 prompts matching "Quiz: The condition for two points of intersection"
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Estimating the value of a surd
I am in SS 1. I'm going to explain estimating the approximate value of a surd such as root
Surds in the quadratic formula
I am in SS 1. Quiz me with 5 short Additional Maths questions on why the quadratic formula
Finding the nth term of an arithmetic sequence
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Sum of the first n terms of an arithmetic series
I am in SS 1. I attempted an Additional Maths question on using the formula Sn = n/2 (2a +
Sum of an arithmetic series given the first and last term
I am in SS 1. Teach me using the formula Sn = n/2 (a + l) to find the sum of an arithmetic
Sum of the first n terms of a geometric series
I am in SS 1. I'm going to explain using the formula Sn = a(r^n - 1)/(r - 1) to find the s
Finding a term given the sum of a series
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Deriving the geometric series sum formula
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Finding the first term or common difference from the sum formula
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Quiz me rapid-fire on nth term formulas
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Equation of a line given gradient and one point
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Finding the equation of a circle from its centre and radius
I am in SS 1. Teach me finding the equation of a circle in the form (x-a)^2 + (y-b)^2 = r^
Finding an unknown coordinate using the gradient formula
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Equation of a line with a given y-intercept and passing through a point
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Finding the equation of a median of a triangle
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Expanding a product of two brackets
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Worked Example: Why the square root of a non-square whole number is irrational
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Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
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Show All Working: Deciding whether two given surds are equal without a calculator
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Worked Example: Adding two surds that simplify to the same root
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