755 prompts matching "Checking the determinant before attempting a 3 by 3 inverse"
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Midpoint of a line segment
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
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 through two given points
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Condition for two lines to be parallel
I am in SS 1. Teach me the condition for two lines to be parallel, and using it to find th
Dividing a line segment in a given ratio
I am in SS 1. Teach me finding the coordinates of a point that divides a line segment inte
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
Deciding if three points are collinear
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on deci
Sketching a straight line from its equation
I am in SS 1. Teach me sketching the graph of a straight line given its equation, correctl
Length of a line segment on a graph
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Coordinate geometry proof: right-angled triangle
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Coordinate geometry proof: isosceles triangle
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Gradient as a rate of change interpretation
I am in SS 1. I'm going to explain interpreting the gradient of a straight-line graph as a
Perpendicular from a point to a line
I am in SS 1. Teach me finding the equation of the line through a given point that is perp
Coordinate geometry exam question: quadrilateral vertices
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WAEC-style past question on coordinate geometry
I am in SS 1. I'm going to explain a complete WAEC Further Mathematics past-paper style co
Distinguishing gradient sign: positive, negative, zero, undefined
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Common mistakes in coordinate geometry formulas
Teach me the most common mistakes SS1 students make with coordinate geometry formulas, suc
Coordinate geometry involving a right-angle condition to find x
I am in SS 1. Teach me finding an unknown coordinate x so that two given line segments mee
Full worked exam-style problem combining gradient, distance and midpoint
I am in SS 1. I'm going to explain a single exam-style coordinate geometry question that r
Expanding a product of three brackets
I am in SS 1. I'm going to explain expanding a product of three linear brackets, such as (