sghawn sghawn
  • 10-06-2018
  • Mathematics
contestada

Which are the solutions of x2 = –7x – 8?

Respuesta :

chickenheadbum3
chickenheadbum3 chickenheadbum3
  • 10-06-2018
x^2 = -7x -8

x^2 +7x +8 = 0

D = 49 -32 = 17

x_1,2 = (-7+/-sqrt17)/2 = (-7-sqrt17)/2 and (-7+sqrt17)/2
Answer Link
ashleyspandya ashleyspandya
  • 10-06-2018
If you're referring x^2 (as in x squared), then the solutions are x = (-7-sqrt17)/2
and x= (sqrt17-7)/2
Answer Link

Otras preguntas

The domain of F(x)=logbook x is the set of all real numbers? True or false
How much would 2 3/4 pound of hamburger cost at 4.99 per pound
Which is the most likely to have inspired William Golding’s examination of the boys’ cruel behavior toward one another in lord of the flies?
Based on the law of conservation of mass, which of the following statements is correct? Matter is neither created nor destroyed. Matter can be created but it
If the amount of carbon dioxide or sunlight increases will the rate of photosynthesis increase
who is the manager of medicare​
If you hold your hand over a pot of boiling water, it feels hot. Explain how the boiling water is transferring heat to your hand.
Briefly explain how the advertisement reflects changes in American society in the 1920s.
Hemoglobin titusville (described by schneider et al. in 1975) is a hemoglobin variant in which a asn residue is substituted for asp at residue 94 of the α chain
name two instruments that are based on the law of flotation​