TrequanThaDon TrequanThaDon

17-08-2017
Mathematics

contestada

When factored, the trinomials x^2-2x-15 and x^2-9x+20 have one binomial factor in common. What is this factor?
1. x-7
2. x+7
3. x-5
4. x+5

Respuesta :

kphung76127 kphung76127

17-08-2017

x^2-2x-15
(x-5)(x+3)

Proof:
-5+3=-2
-5*3=-15

x^2-9x+20
(x-4)(x-5)

Proof:
-4-5=-9
-4*-5=20

Final answer: (x-5)

Answer Link

Otras preguntas

In about 7 to 10 sentences, present a version of the Argument from Tolerance against objectivism. Fully explain the premises, and how they are supposed to suppo

A gumball manufacturer produces equal quantities of red green and yellow gumball the gumball are mixed interacting 24 to a package manufacturer is the probabili

In a cortege, drivers who are under the control of the funeral director are legally referred to as: a) Escorts b) Chauffeurs c) Pilots d) Processionists

An alcoholic patient has a low serum albumin, low hemoglobin, high ammonia, abnormal liver function tests, and ascites. Why is he on a 500mg sodium diet? a) To

Which of the following cytokines is most antiviral in its action?a. Interleukin-4b. Interleukin-10c. Interferon-alphad. Tumor Necrosis Factor (TNF)

What is the offense of Contributing to Delinquency of a Minor according to NRS 201.110?

By 2 to 3 weeks, breastfeeding mothers and babies have a system for efficient nursing in the sense that the mother exhibits __________ when the baby cries and t

What is the importance of functional-professional touch in psychiatric care?

List one example of California Polytechnic State University's list of best Information Security practices for 2017 and explain how it can be improved.

Where is the CR directed for the lateral projection of the urinary system?