643 prompts matching "Proving that a quadratic expression is positive for every real x"
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: The vertical line test for a function — Show All Working
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a question on t
IGCSE Additional Maths Y10: Combining a quadratic and a linear inequality — Show All Working
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a question on c
IGCSE Additional Maths Y10: A quadratic in an exponential such as 2 to the power x — Quiz Me
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Quiz me with five shor
IGCSE Additional Maths Y10: A word problem leading to a linear and a quadratic equation — Show All Working
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a question on a
IGCSE Additional Maths Y10: The product law applied to an algebraic expression — Quiz Me
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Quiz me with five shor
IGCSE Additional Maths Y10: Reading the gradient off a linear-form graph — Show All Working
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a question on r
Division law of indices
I am in SS 1. Teach me the division law of indices, simplifying an expression like y^9 div
Simplifying a mixed index expression
I am in SS 1. Quiz me with 3 short Additional Maths questions on simplifying an expression
Index equations reducing to a quadratic
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Standard form calculations using indices
I am in SS 1. Teach me converting numbers to and from standard form and using the laws of
Adding surds that need simplifying first
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on addi
Rationalising a denominator with a single surd
I am in SS 1. Quiz me with 4 short Additional Maths questions on rationalising a denominat
Rationalising a denominator with a surd and integer
I am in SS 1. I'm going to explain rationalising a denominator such as 6 divided by (2 roo
Distinguishing rational and irrational numbers
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Rationalising the denominator when it's a surd minus a surd
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Rationalising a denominator with three surd terms
I am in SS 1. I'm going to explain rationalising a more unusual denominator involving more
Finding n(A union B) using the formula
I am in SS 1. Quiz me with 5 short Additional Maths questions on using the formula n(A uni
Disjoint sets and what they mean
I am in SS 1. Teach me what it means for two sets to be disjoint, giving an example and dr
Common mistakes with set notation
Quiz me with 4 short Additional Maths questions on the most common set notation mistakes S
De Morgan's laws for sets
I am in SS 1. Teach me De Morgan's laws for sets, (A union B)' = A' intersection B' and (A