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

In a certain state, 50% of adults indicated that sausage is their favorite pizza. Suppose a simple random sample of adults in the state of size 23 is obtained

A solution contains two isomers, n-propyl alcohol and isopropyl alcohol, at 25°C. The total vapor pressure is 38.6 torr. What are the mole fractions of each alc

Light with a wavelength of 488 nm is incident on a single slit with a width of 6.23 x 10^-4 m. If the screen is 2.7 m away, what is the distance to the first an

Geometry Apex please help

According to Malcolm X, what are “Uncle Toms” and how do they slow progress for blacks in America?

A rock is suspended by a light string. When the rock is in air, the tension in the string is 38.7 N . When the rock is totally immersed in water, the tension is

What is most important in a representative democracy? A. Suffrage B. Bill of Rights C. Legislature D. Majority rule

A real estate firm owns the Kasumba Garden Apartments which consists of 90 apartments. At $350 per month every apartment can be rented. However, for each $10 pe

The equation is y = 14x + 10. Which is true regarding the slope?

Which statement best describes the theory of plate tectonics? •plates sometimes move closer to one another •sections of earth that shift are parts of earths as