Mathematics
29.09.2022 02:00
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Quadratic equations - parabolas question ^^
Quadratic equations - parabolas question ^^
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KaseyT
4,7(71 marks)
Convert to vertex form [ which is a (x - b)^2 + c ] :-
x^2 + (x + 1)^2
= x^2 + x^2 + 2x + 1
= 2x^2 + 2x + 1
= 2( x*2 + x) + 1
= 2[ (x + 0.5)^2 - 0.25 ] + 1
= 2(x + 0.5)^2 -0.5 + 1
= 2(x + 0.5)^2 + 0.5
The last constant is the minimum value of f(x)
Answer 0.5
alex6toes
4,8(65 marks)
The answer is 0.5. thank you for posting questions like this
Animallover100
4,6(93 marks)
You can do this: since 1/4 is .25 then just multiply 8 x .25
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