math ew ew Flashcards

1
Q

laws of indices

A

i cant type this put js memorise it or sum lol reminder to self

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2
Q

forms for quadratic equations (hint;GEmsFAvouriteVerses)

A

generalised: y= ax^2 + bx + c, a not equal 0
factorised; a(x-p)(x-q), a not equal 0
vertex form; a(x-h)^2 +k, a not equal 0

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3
Q

how to find intercepts

A

when y=0, x+
when x=0, y=

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4
Q

(1-x)^2 is equal to (x-1)^1? T or F

A

T. (1-x)^2= [-(x-1)]^2 = ( x-1)^2

what am i writing EXPAND IT

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5
Q

complete square????

A

x^2 + bx = (x+b/2)^2 - ( b/2)2 ( + constant k)

factorise the first two values first then use distributive law )#&$)#&!)(&$

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6
Q

quadratic formula..

A

axe equals neg bee plus minus sqare root bee sqare minus four aye see over two aye

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