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Math Challenge II-A HW1.24b, 3.23, and 3.24

 
 
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Math Challenge II-A HW1.24b, 3.23, and 3.24
by Andrew Hu - Wednesday, 26 July 2023, 4:12 PM
 

Hi,

Could you please give me some instructions about questions 1.24b, 3.23, and 3.24 in Math Challenge II-A Summer 2023 (Algebra)? Thank you!

Another question: if a quadratic function has "a real solution", do it mean that b^2-4ac>=0 or b^2-4ac=0?

Thank you for your help.