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

An ant sits on the back of a mouse. The mouse carries the ant across the floor for a distance of 10 meters. Was there work done by the mouse? Explain.

how many books did Harriet beecher stowe write?

Which of the following is equivalent to 3a + 4b – (–6a – 3b) ? A. 16ab B. –3a + b C. –3a + 7b D. 9a + b E. 9a + 7b

How many heart chambers does a shark have?

What challenges did the californios face?

which inequality is equivalent to 7x-2y> 8. A) y> 7/2x+8 b) y>-2/7x+8/7 c) y <7/2x-4 d) y <-2/7x-4/7 (whats a Inequality? )

what type of fractions are the following A) 1/3 A) Improper B) mixed C)wholeB) 5 1/6C) 6/5answer A B C with the three multiple choice answers.

which inequality is equivalent to 7x-2y> 8. A) y> 7/2x+8 b) y>-2/7x+8/7 c) y <7/2x-4 d) y <-2/7x-4/7 (whats a Inequality? )

What challenges did the californios face?

A ski jumper competing for an Olympic gold medal wants to jump a horizontal distance of 135 meters. The takeoff point of the ski jump is at a height of 25 meter