For what values of m does the graph of y=mx^2-5x-2 have no x-intercepts

Question

14-03-2018
Mathematics

contestada

For what values of m does the graph of y=mx^2-5x-2 have no x-intercepts

Respuesta :

Otras preguntas

According to the second law of thermodynamics, what is true of entropy in all natural systems? A.It will always decrease. B.It will always increase. C.It will a

Will mark brainliest! After school, John usually practices with his soccer team, so he's tired in the evenings. He goes to bed so early that he wakes up early b

How to get exact value of cos pi/2?

Which of the following statements best describes the author’s point of view on how parents should react to their children’s crushes?

After their soccer Practice,six girls shared 5 bottles of water.What fraction of the bottle of water will each girls drink of they shared the water fairly?and w

please explain the cold war, why it happened, and outcomes (main details)

2(x+4)=30 what is the answer

What fraction of a liter is 270 mL?

The bases of a right prism are parallelograms with sides a=10 cm, b=6 cm, and altitude of the parallelogram towards side a, ha = 3 cm. Find the surface area of

evgeniylevi evgeniylevi · Answer 1 · 2018-03-14T05:41:25+01:00

evgeniylevi evgeniylevi

14-03-2018

Consider this option:
according the condition the graph mx²-5x-2 have no x-interception.
It means that D<0:
D=25+2*4*m=25+8m<0; ⇒ 8m+25<0; ⇔ m<-25/8; ⇔ m<-3.125.

answer: m∈(-oo;-3.125).

Answer Link