03-05-2017
Mathematics

contestada

K2-4K-21. How do you factor this

Respuesta :

apologiabiology apologiabiology

03-05-2017

assuming yo mean
k²-4k-21

factor by doing
what 2 numbers multipily to get -21 and add to get -4?
-7 and 3

(k-7)(k+3) is factored

Answer Link

Otras preguntas

A summary includes____ information, while an evaluation includes____ information. A) factual, narrative B) narrative, factual C) objective, subjective D) subjec

A car’s engine stalls going up a hill and slows down as a result. Which statement describes the energies of the car? A) The kinetic energy increases and the g

Which of the following is a disadvantage of wave energy? unpredictability effect on fish migration routes low concentration of energy effect of salt

Elanor paints this figure on her wall. Find the area of the figure.

Rick agrees to buy 20 acres of land from tina. three weeks before the deal is to close, rick calls tina and says, "the deal is off!" in this situation, rick's a

The case of Plessy v. Ferguson, which affirmed the system of segregation, was subsequently overturned in which of the cases listed below? Select one: A. Tinker

how do i turn 1 and 1 fith in a decimal

Fatima evaluated the expression 4m n-2 need help plzzz

I need the answer to the bottom one not the top.

Only number 8 plssss bet no one will get this