adiamartin69 adiamartin69

02-04-2020
Mathematics

contestada

what are two numbers that multiply to 8 and add up to -9

Respuesta :

MathPhys MathPhys

02-04-2020

Step-by-step explanation:

xy = 8

x + y = -9

Solve with substitution.

y = -x − 9

x (-x − 9) = 8

-x² − 9x = 8

0 = x² + 9x + 8

0 = (x + 1) (x + 8)

x = -1 or -8

y = -8 or -1

The two numbers are -1 and -8.

Answer Link

Otras preguntas

please help! Which transformation could NOT be used to prove that two circles are congruent to one another? a dilation with a scale factor of 2 a dilation with

¡Solo la persona más inteligente de su clase de español puede ayudarme con esto!

Answer question 7. ¿Estudiaste mucho? !!!!!!!!!!!!!!!!!!!!!! please help !!!!!!!!!!!!!!!!!!!!! I will give Brainliest for the best answer

How many solutions ?

plz help asap i will give u brainlist

Answer this correctly I’ll give brainly + 10 points

3 15. Question X у 2. 16 5 10 7 6 13 -6 Enter your answer write a equation

How does the time period of the setting in "Part 1: A Son's Adventures" shape Penelope? It causes her to spend more time weaving a cloth than a person using mod

I need help on this one too and im done! someone please help me!

How do u turn 4 into a fraction