Thread: help me out

I need to find the discriminant of the equations and give the number and type of solutions of the equation??
Please help

x^2 + 6x - 16 =0

2x^2 + 5x - 7=0

Originally Posted by bwalters302

I need to find the discriminant of the equations and give the number and type of solutions of the equation??
Please help

x^2 + 6x - 16 =0

2x^2 + 5x - 7=0

For equation 1,

D = (6)^2 - 4(1)(-16) = 100

As D>0 and a>0

It is an equation with two real and different roots.


For equation 2,

D = (5)^2 -4(2)(-7) = 81

As D>0, a>0

This is an equation with two real and different roots.