Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

secondary 3 | A Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Damsieee
Damsieee

secondary 3 chevron_right A Maths chevron_right Singapore

Can someone explain to me how does the coeff of x^2 > 0 and f(x) > 0 lead to there having no real roots? I stared and read that sentence 20 times and still dont get it. Pls help

Date Posted: 1 year ago
Views: 191
Mitchell Marsh
Mitchell Marsh
6 months ago
Yes! When the coefficient of \( x ^ 2 \) is much more substantial than no (suggesting the graph opens up upwards) plus \( f(x) \) is more than no it indicates that the chart of the quadratic feature exists totally over the x-axis. Given that the , parabola does not go across the x-axis it has no actual origins. This principle is commonly gone over in Higher education dissertation topics pertaining to algebraic features and also chart concept.

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Danny Low
Danny Low's answer
1017 answers (Tutor Details)
1st
Hope this helps
Damsieee
Damsieee
1 year ago
Ohh so when f(x) > 0, there wont be any real roots because the curve will never cut thru the x axis?
Danny Low
Danny Low
1 year ago
Yes basically f(x) is the y coordinate. F(x) >0 means all y coordinates >0, thus the curve does not intersect with the x axis
Damsieee
Damsieee
1 year ago
OHHH okay thank you!!!