575 prompts matching "Checking a root of a cubic by substitution"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
IGCSE Additional Maths Y10: Checking both pairs of solutions — Common Mistakes
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y10: Rejecting an invalid root of a logarithmic equation — Explain It Back
I am in SS 1. I have just studied rejecting an invalid root of a logarithmic equation for
IGCSE Additional Maths Y10: The gradient of a line given in the form ax plus by equals c — IGCSE Exam Practice
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st
IGCSE Additional Maths Y10: The area of a quadrilateral by the shoelace method — Explain It Back
I am in SS 1. I have just studied the area of a quadrilateral by the shoelace method for C
IGCSE Additional Maths Y10: The shape of a cubic graph with a negative leading coefficient — Worked Example
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Take me through one co
Simplifying a surd by extracting square factors
I am in SS 1. Quiz me with 5 short Additional Maths questions on simplifying a surd by ext
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
Show All Working: Finding a and b when a plus b root 2 equals a given surd
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on finding a and b
IGCSE Additional Maths Y10: Sketching a cubic once it has been factorised — Show All Working
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a question on s
Division law of indices
I am in SS 1. Teach me the division law of indices, simplifying an expression like y^9 div
Fractional indices as roots
I am in SS 1. Teach me fractional indices, converting between root form and index form, su
Simplifying a fraction of two bracketed index terms
I am in SS 1. I'm going to explain simplifying a fraction of index expressions down to a s
Index notation for a nested root
I am in SS 1. Quiz me with 3 short Additional Maths questions on rewriting a nested root,
Solving 4^x = 8^(x-1) by matching bases
I am in SS 1. I'm going to explain solving the equation 4^x = 8^(x-1) by writing both side
Multiplying a surd by an integer
I am in SS 1. Teach me multiplying a surd by a whole number, such as 4 times root 5, and s
Surd word problem: diagonal of a rectangle
I am in SS 1. Teach me a word problem asking for the exact length of the diagonal of a rec
Solving a surd equation that gives an extraneous root
I am in SS 1. Quiz me with 3 short Additional Maths questions on solving a surd equation s
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
Finding a term given the sum of a series
I am in SS 1. I'm going to explain finding a specific term of a sequence by first finding
Sequences given by a recurrence relation
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi