alvaradojovanna alvaradojovanna
  • 17-07-2018
  • Mathematics
contestada

Find the number of real number solutions for the equation.
x²-15=0
a) 2
b) 1
c) 0
d) can not be determined from the graph

Respuesta :

razorsharptip
razorsharptip razorsharptip
  • 17-07-2018

x^2 = 15


x = -sqrt(15) or x = sqrt(15).


There are 2 solutions.

Answer Link

Otras preguntas

what was the purpose of the great white fleet?
Which equation below can be used to describe the overall changes taking place during photosynthesis? A. 6CO2 + 6O2 C6H12O6 +6H2O B. 6CO2 + 6H2O C6H12O6 +6O2 C.
A scientist is testing the effectiveness of Drug X on cancer. She gives a small amount of the drug to mice that have cancer. She gives each mouse a different am
the probability of a spinner stopping on 5 is 1/9 . the probability of the spinner stopping on 6 is 4/9 . what is the probability of the spinner stopping on 5 o
a quadratic equation has a discriminant of 12. which could be the equation? 0 = –x2 8x 2 0 = 2x2 6x 3 0 = –x2 4x 1 0 = 4x2 2x 1
Determine whether the cost for ordering multiple items that will be delivered is sometimes, always, or never proportional. Explain your reasoning.
A plant that has round and yellow seeds (RrYy) is crossed with a plant that has round and yellow seeds (RrYy). What is the ratio of the offspring that will have
ano ang anyo ng silangang asya
The US has often been cast as the "world policeman" rather than the "world diplomat." Explain.
taxes for local school is 2.5 percent household earns $80,000 per year how much is school taxes per year?