dionquijano dionquijano

01-10-2018
Mathematics

contestada

How many real solutions does p^2-5p+7=0 have

Respuesta :

Аноним Аноним

01-10-2018

Let's work out the discriminant b^2 - 4ac:-

D = (-5)^2 - 4*1*7 = 25 - 28 = -3

A negative discriminant shows that there are NO real solutions Answer

Answer Link

Otras preguntas

The longest a customer can stay at the Lone Steak Restaurant is 2hrs. Write an inequality to show how long a customer can stay at the Restaurant..?

Which type of ideas are often understood by the audience, even though they are not directly stated? A. Explicit B. Ethical C. Rhetorical D. Implicit

World history: To what extent has industrialization transformed the world’s economy from 1750-1900?

what planning for college, you should consider:

What is the "republic of west florida"

When describing the uses for sedatives and hypnotics, which would the nursing instructor identify as the primary use?

Alex used 3/8 of a can of paint to paint a chair he use less than that amount to paint a stool what part of the can of paint my Alex have used to paint the sto

A bus took a seven hour trip and traveled 330 miles. The speed was 54 mph for the first part of the trip, and then decreased to 30 mph for the second part of t

Which state of matter does this model represent?

What was the Protestant Reformation and who started it?