Find for what values of \(k\) the equation \[x^2+(3k-7)x+(2k+6)=0\] will have real roots in \(x\).
The red curve here is \(y=x^2+(3k-7)x+(2k+6)=0\).
What tells us how many real roots a quadratic equation has?
Quadratics
Suggestion
Find for what values of \(k\) the equation \[x^2+(3k-7)x+(2k+6)=0\] will have real roots in \(x\).
The red curve here is \(y=x^2+(3k-7)x+(2k+6)=0\).
What tells us how many real roots a quadratic equation has?