Help please (1 Viewer)

[blacktown_]

find values of m such that mx^2 + 3x-4<0 for all x

 

[Aysce]

Only post 2u questions in the mathematics section, don't post them here.

As for your question:

Using the discriminant:

b^2 - 4ac < 0
9 - 4(m)(-4) < 0
9 + 16m < 0
16m < -9
m < -9/16