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

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

in priyas math class there are 10 boys and 15 girls. What is the ratio of boys to girls in priyas math class? express your answer as a decimal

Why did the United States become involved in the Soviet-Afghan War? The United States wanted access to the Afghan oil fields. The United States wanted to reta

Which of these is TRUE of that temperance movement at the beginning of the 1800’s in America?

A pure solvent has a vapor pressure _________ the vapor pressure of a solution. A. equal to B. lower than C. higher than

Your food costs are $5,500. Your total food sales are $11,000. What percent of your food sales do the food costs represent?

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Explain 2 ways in which the United States government is similar to the Athenian government and the Roman government

What role do traits play in affecting an organisms ability to reproduce? finches

Assume that you have an array of integers named a. Which of these code segments print the same results? int i = 1; while(i < a.length) { System.out.prin