jailaparker46 jailaparker46
  • 03-03-2021
  • Chemistry
contestada

Find the discriminant and the number of real roots for this equation.
x2 + 2x+8 = 0

Respuesta :

nothingishere
nothingishere nothingishere
  • 03-03-2021

Answer:

Option 'D' is correct.

Step-by-step explanation:

Since we have given that

We will first find the "Discrimination":

Since discriminant is less than 0 i.e. D<0.

So, there will no real roots.

Hence, D = -28 and there is no real roots.

Therefore, Option 'D' is correct.

Explanation:

Answer Link

Otras preguntas

6. Consider the diagram below.
What is an increase in the number of people living in cities and towns? Gilded Age Globalization Reformation Urbanization
Suppose you randomly select a sample of 16 observations from a population with =11 and =2 You find ⎯⎯⎯=9. The sampling error is _____ -2 2 -1 1
what is the volume of the rectangular prisum
Change the numbers 5 and 9 in the equation so that the graph intersects the x-intercepts on the graph. (1,0) (4,0) y= (x - 5)(x-9) ​
Solve for x (13x + 4)º 98
How long it will take 2000$ to double if it is invested at 6% interest compounded semi annually
What does the Federalist Papers 68 say about electors? Why are there electors? Write 50-100 words in your response. Give two explanations or quotes that describ
What is the area of triangle ABC in the simplest terms?
app 19.study Tools Tools Probability Jacob performed an experiment with a weighted die, numbered 1 to 6. He rolled the die 125 times and recorded the results. C