1,022 prompts matching "Solving a surd equation that gives an extraneous root"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Explain Back: The zero product rule, and why it works
I have just studied the zero product rule, and why it works in my SS2 Further Mathematics
Worked Example: Halving the coefficient of x and squaring it
Act as my SS2 Further Mathematics tutor. Take me through one full worked example on halvin
Worked Example: Substituting a, b and c into the quadratic formula correctly
Act as my SS2 Further Mathematics tutor. Take me through one full worked example on substi
Explain Back: Finding a missing coefficient from a stated sum of roots
I have just studied finding a missing coefficient from a stated sum of roots in my SS2 Fur
Worked Example: The identity linking alpha squared plus beta squared to the sum and product
Act as my SS2 Further Mathematics tutor. Take me through one full worked example on the id
Worked Example: Substituting into the quadratic and tidying up
Act as my SS2 Further Mathematics tutor. Take me through one full worked example on substi
Explain Back: Writing the answers as ordered pairs
I have just studied writing the answers as ordered pairs in my SS2 Further Mathematics cla
Worked Example: The discriminant used as the test for intersection
Act as my SS2 Further Mathematics tutor. Take me through one full worked example on the di
Spot My Mistake: Finding the values of c for which a line is a tangent
Act as my SS2 Further Mathematics tutor. Work a question on finding the values of c for wh
Learn: What makes an expression a polynomial
You are my personal SS2 Further Mathematics tutor. Teach me what makes an expression a pol
Quiz: The leading term and the constant term
Act as my SS2 Further Mathematics tutor and quiz me on the leading term and the constant t
Explain Back: Evaluating P of 2 for a given polynomial
I have just studied evaluating P of 2 for a given polynomial in my SS2 Further Mathematics
Explain Back: Finding a coefficient when the remainder is given
I have just studied finding a coefficient when the remainder is given in my SS2 Further Ma
Worked Example: Testing a list of candidates to find a factor
Act as my SS2 Further Mathematics tutor. Take me through one full worked example on testin
Explain Back: Finding a coefficient so that a stated expression is a factor
I have just studied finding a coefficient so that a stated expression is a factor in my SS
Worked Example: Factorising a cubic into a linear and a quadratic factor
Act as my SS2 Further Mathematics tutor. Take me through one full worked example on factor
Explain Back: A cubic with a repeated root
I have just studied a cubic with a repeated root in my SS2 Further Mathematics class. Let
Learn: How many rows a truth table needs
You are my personal SS2 Further Mathematics tutor. Teach me how many rows a truth table ne
Quiz: Disjunction and the inclusive or
Act as my SS2 Further Mathematics tutor and quiz me on disjunction and the inclusive or. A
Quiz: Why a conditional with a false antecedent counts as true
Act as my SS2 Further Mathematics tutor and quiz me on why a conditional with a false ante