presleythill
presleythill presleythill
  • 13-05-2020
  • Mathematics
contestada

Find the number of real solutions of each equation using the discriminant.
1: x^2 + 25 = 0
2: x^2 - 11x + 28 = 0
3: x^2 + 8x + 16 = 0

Respuesta :

jonathone1978
jonathone1978 jonathone1978
  • 13-05-2020

Answer: 1: x^2 + 25 = 0 x=5

2: x^2 - 11x + 28 = 0 x=7 i think

3: x^2 + 8x + 16 = 0 x=-4

Step-by-step explanation:

Answer Link

Otras preguntas

what is phosphorylation ?
Is green light most or least useful in photosynthesis? Why?
Vivid writing includes ___ descriptions of things that can be seen, touched, heard, smelled, and tasted. A. sensuous B. tangent
Who was the first American to to contribute to the industrial revolution?
what is the perimeter of the inside of the track?use 3.14 for pie
Bombarding sodium-23 with a proton produces nuclide X and a neutron. What is nuclide X? Answers: magnesium-24 magnesium-23neon-23 sodium-24 none of the aboveT
What is the role of diaphragm in the digestive system?
The figures shown are similar. What is the scale factor?  A. 1/4  B. 2/3  C. 3/4  D. 1/6
what is phosphorylation ?
Where is the oldest peice of money?