Quadratic

Factorise: x² + 6x + 9

• perfect square rule

• difference of two squares rule

• monic quadtratic factorisation

• completing the square

• non-monic quadratic factorisation (splitting the middle term)

Factorise: x² -10x + 16

• perfect square rule

• difference of two squares rule

• monic quadtratic factorisation

• completing the square

• non-monic quadratic factorisation (splitting the middle term)

Factorise: 3x² - 8x - 3

• perfect square rule

• difference of two squares rule

• monic quadtratic factorisation

• completing the square

• non-monic quadratic factorisation (splitting the middle term)

Factorise: 2x² + 14x + 24

• perfect square rule

• difference of two squares rule

• monic quadtratic factorisation

• completing the square

• non-monic quadratic factorisation (splitting the middle term)

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Tags

CCSS.HSF-IF.C.7A

• 1

• 3

• 2

• 5

• 4

Which of the following represents a quadratic function?

f(x) = (a)   x² + ​​ (b)   x + ​ ​ (c)  

• a

• b

• c

• d

• x

Factorise: x² - 8x + 16

• perfect square rule

• difference of two squares rule

• monic quadtratic factorisation

• completing the square

• non-monic quadratic factorisation (splitting the middle term)