755 prompts matching "Checking cofactors by expanding the determinant along a second row"
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Solving for x when three terms are in arithmetic progression
I am in SS 1. I attempted an Additional Maths question on finding the value of x given tha
Recurring decimals as an infinite geometric series
I am in SS 1. I'm going to explain how a recurring decimal, such as 0.777..., can be writt
Word problem: total distance from a bouncing ball
I am in SS 1. Quiz me with 3 short Additional Maths questions on a classic word problem wh
Comparing arithmetic and geometric growth over time
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on comp
Series exam question with show all working
I am in SS 1. I'm going to explain a full Cambridge/Additional Maths style series question
Quiz me rapid-fire on nth term formulas
I am in SS 1. I attempted an Additional Maths question on a rapid quiz where I am given a
Sequences involving fractions
I am in SS 1. Quiz me with 5 short Additional Maths questions on finding the nth term and
Common student mistakes with progression formulas
I'm going to explain the most common mistakes SS1 students make when applying the AP and G
Reviewing every sequence and series formula before a test
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a st
Multi-part progression problem with an unknown first term
I am in SS 1. Quiz me with 5 short Additional Maths questions on a multi-part question whe
Explaining why sum to infinity only works for |r| < 1
I am in SS 1. Quiz me with 5 short Additional Maths questions on explaining, using a numer
Distance between two coordinate points
I am in SS 1. I attempted an Additional Maths question on finding the distance between two
Gradient of a line joining two points
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Gradient from a linear equation
I am in SS 1. I'm going to explain finding the gradient and y-intercept of a line directly
Equation of a line given gradient and one point
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Condition for two lines to be perpendicular
I am in SS 1. Quiz me with 4 short Additional Maths questions on the condition for two lin
Area of a triangle from three coordinates
I am in SS 1. I'm going to explain finding the area of a triangle given the coordinates of
Show all working: multi-part coordinate geometry question
I am in SS 1. Quiz me with 3 short Additional Maths questions on a structured Cambridge/Ad
Vertical and horizontal line equations
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Word problem: coordinate geometry in a real map context
I am in SS 1. Quiz me with 4 short Additional Maths questions on a real-life word problem