Factorising
Solve the following quadratic equation:
x2 -9 = -8
x = 1 or x = -1
What is completing square formula?
(x + (b/2))2 - (b/2)2 + c = 0
Expand
2x(x+3)
2x^2+6x
Gold Coast
Solve the following quadratic equation by factorising.
x2+3x+2 = 0
x = -2 x = -1
Solve the following quadratic equation by completing the square:
x2 - 6x = -5
x = 1 x = 5
Expand
3x(2x+6)
6x^2+18x
How many years has Miss White been teaching?
.75
Solve the following quadratic equation by factorising.
x2 - 6x - 27 = 0
x = 9 x = -3
Solve the following quadratic equation by completing the square:
x2 - 2x - 24 = 0
x = -4 x = 6
Expand and simplify
2(x+3)-3x(2x-4)
-6x^2+14x+6
What was Miss White's job before being a teacher?
Snorkel guide/deck hand
Solve the following quadratic equation by factorising.
3x2 =17x + 28
x = 7 or x = -4/3
Solve the following quadratic equation by completing square.
5x2-19x+12
x= 4/5 and 3
Expand and simplify
(x+1)(x-3)
x^2-2x-3
Does Miss White have any siblings? (if so, how many and what gender?)
Yes, one brother
Solve the following quadratic equation by factorising.
9x2 + 4 = 15x
x=-4/3, x=-1/3
Solve the following quadratic equation by completing square.
2x2 -5x = 6
x = 3.39 or x = -0.886
Expand and simplify
(2x-4)(3x+1)
6x^2-10x-4
What is Miss White's favourite colour?
Purple