459 prompts matching "proving a statement is a tautology"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
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
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
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Coordinate geometry proof: right-angled triangle
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on usin
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^
Simultaneous equations of a line and the coordinate axes
I am in SS 1. Teach me finding the area enclosed between a straight line and the coordinat
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
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
Finding an unknown coordinate using the gradient formula
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
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
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
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
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
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 (
Subtracting two algebraic fractions
I am in SS 1. I'm going to explain subtracting two algebraic fractions with different deno
Simplifying a complex algebraic fraction
I am in SS 1. Teach me simplifying a 'fraction within a fraction' algebraic expression by
Solving a double inequality
I am in SS 1. Quiz me with 5 short Additional Maths questions on solving a double inequali
Solving simultaneous linear equations by substitution
I am in SS 1. I'm going to explain solving a pair of simultaneous linear equations by the