861 prompts matching "Explain why a complex number times its conjugate is real"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Factorise x^2 + 2x - 15
Act as my SS2 Further Maths tutor. Walk me through factorising the quadratic trinomial x^2
Factorise 2x^2 + 7x + 3
Act as my SS2 Further Maths tutor. Walk me through factorising the quadratic trinomial 2x^
Factorise 3x^2 - 5x - 2
Act as my SS2 Further Maths tutor. Walk me through factorising the quadratic trinomial 3x^
Factorise 6x^2 + x - 12
Act as my SS2 Further Maths tutor. Walk me through factorising the quadratic trinomial 6x^
Factorise x^2 - 9
Act as my SS2 Further Maths tutor. Walk me through factorising the quadratic trinomial x^2
Factorise 4x^2 - 25
Act as my SS2 Further Maths tutor. Walk me through factorising the quadratic trinomial 4x^
Factorise x^2 - x - 20
Act as my SS2 Further Maths tutor. Walk me through factorising the quadratic trinomial x^2
Factorise 2x^2 - 11x + 5
Act as my SS2 Further Maths tutor. Walk me through factorising the quadratic trinomial 2x^
Why simultaneous linear-quadratic systems can have two solutions
Act as my SS2 Further Maths tutor. Explain to me why solving a linear equation together wi
Spot my mistake in a permutation problem
Act as my SS2 Further Maths tutor. I solved a permutation word problem but I think I used
Worked example: how many distinct arrangements are there of the letters in the word MISSISSIPPI
Act as my SS2 Further Maths tutor. Show me a full worked example for this permutations and
Show that command word: quadratic factorisation
I am in SS 2. Explain what the command word 'Show that' means in a Cambridge Additional Ma
WAEC Prep: Expressions that are not polynomials, and why not
Act as my SS 2 Further Mathematics teacher setting an examination question. Give me a ques
WAEC Prep: Beads on a necklace, and why the count halves
Act as my SS 2 Further Mathematics teacher setting an examination question. Give me a ques
WAEC Prep: A selection with at most a stated number of one kind
Act as my SS 2 Further Mathematics teacher setting an examination question. Give me a ques
Quiz me on factorising quadratic expressions
Act as my SS2 Further Maths tutor. Quiz me with five quadratic expressions to factorise by
Worked example: factorising a harder trinomial
Act as my SS2 Further Maths tutor. Show me a full worked example of factorising a quadrati
Spot my mistake solving x^2-3x-10=0
Act as my SS2 Further Maths tutor. I solved x^2-3x-10=0 and got x=2 or x=-5. Check my work
Explain completing the square back to me
Act as my SS2 Further Maths tutor. I'll explain the completing the square method back to y
Why does completing the square work
Act as my SS2 Further Maths tutor. Explain to me why the completing the square method work