sarapereira17 sarapereira17

10-08-2017
Mathematics

contestada

Give that (x+2) us a factor is 2x^2+kx-10, which of the following is the value of k?

A- -3
B- 3
C- 1
D- -1

Respuesta :

Аноним Аноним

10-08-2017

2 * -10 = -20
so the factors taken are 2 and -5

k = -5 + 2*2 = - 1

Its D

Answer Link

Otras preguntas

help asap plssss !!!!!!!

Express 0.4335 as a fraction

PLEASE ANSWER: Identify the percent change as an increase or a decrease. Then find the percent of change. Round to the nearest tenth if necessary.A) 5 cups

why did the african americans move to the north?

A student reads 2⁄5 of a book in 45 minutes. How much of the book will be read if the student reads at the same speed for 70 minutes? Write your answer as a fra

I need help on this question.

What does it mean to be 167% of poverty level?

Which particle is most likely present in the nucleus of the atom

How will the movement of water affect a survey if it is transferred from a hypotonic solution to a hypertonic solution? Question 5 options: The cell wall will d

Define the system of the checks and balances. Why did the Founding Fathers design the system of Checks and Balances? Give examples of the how the system works i