Do I use discriminant or complete the square method to find a? Thankyou!

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secondary 4 | E Maths
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secondary 4 E Maths

Do I use discriminant or complete the square method to find a?
Thankyou!

Date Posted: 7 years ago

Gabriel Siow

7 years ago

Discriminant. B^2 - 4AC = 0

Gabriel Siow

7 years ago

Thanks Richard for your pointers.. I have submitted my solution with setting discriminant to 0. Both ways work.

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Answer in photo

Date Posted: 7 years ago

Fiona

7 years ago

Thankyou!:)