Question

What is a quartic function with only two real zeros at x = 7 and x = 13

Answer 1

Zeros be a and b

• a=7
• b=13

Function

$\\ \sf\longmapsto y=x^2-(a+b)x+ab$

$\\ \sf\longmapsto y=x^2-(7+13)x+(7)(13)$

$\\ \sf\longmapsto y=x^2-20x+91$

Option B