msmith16 msmith16

04-09-2018
Mathematics

contestada

Find the number of real number solutions for the equation. x^2+9x+20=0
A.) Can't be determined by graph
B.) 1
C.) 2
D.) 0

Respuesta :

JulianVella JulianVella

04-09-2018

x^2+9x+20 = 0
factorises to (x+5)(x+4)=0
so x = -5 or -4
Therefore answer is C.) 2

Answer Link

Otras preguntas

You drive 390 miles in 6 hours

American and world public opinion turned strongly in favor of the civil rights movement when

who is Addison Rae and what does she do for a living

What is the value of x? 100° O A. 70° O B. 30° O c. 170° d.10

Round 34.6352 to the nearest hundredth.

Solve for x Write the smaller solution first, and the larger solution second. -x^2-8=-33

The net force on any object moving at constant velocity is

"All of North Korea is a jail" with referencing this quote, what can you assume about the type ofgovernment that North Korea has?AutocracyDemocracyOligarchy

How to work out 2x = 0.8mm

The condition in which there are three copies of the a chromosomes type instead of the normal two is called