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secondary 3 | A Maths
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Hi. How to do this question? Please provide with clear explanation. Thank you.
Date Posted: 2 years ago
Views: 461
a(x-h) ² + k
= a•x² - 2ah•x + ah²+k
= 2•x² - 10•x + m
compare the coefficent / constant
x² → a = 2
x → 2ah = 10 ⇨ h = 2.5
ah²+k = (2)×(2.5)² + k = 12.5+k = m
k = m - 12.5
y = 2•(x - 2.5) ² + m-12.5 --- (Ans)
= a•x² - 2ah•x + ah²+k
= 2•x² - 10•x + m
compare the coefficent / constant
x² → a = 2
x → 2ah = 10 ⇨ h = 2.5
ah²+k = (2)×(2.5)² + k = 12.5+k = m
k = m - 12.5
y = 2•(x - 2.5) ² + m-12.5 --- (Ans)
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https://ask.manytutors.com/questions/119036
https://ask.manytutors.com/questions/119036
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Date Posted:
2 years ago
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