Card Set Information
C1 OCR Maths
Polynomials, quadratic formula, complete the square....
find 2 numbers which
multiply to give c
add to give b
Splitting the Middle term!
(a,b,c are integers)
2. find 2 numbers (p&q)
3. use p&q to split middle term
bracket by taking out common factor!
(same bracket =1st bracket outside numbers =2nd bracket)
Solving equations by factorisation!
the question into brackets
p and q
of the graph
only touches its root.
Complete the square
the middle term
put this in a bracket
with x and
square the bracket
form with what is required and adjust
Solving linear inequalities
solve the same way as an equation!
if you divide or multiply by a negative flip the sign!
you cant square or root both sides of an inequality!