richmayor richmayor

02-05-2019
Mathematics

contestada

the roots of the equation x² + rx+s=0 are ⅔ and -3, find the value of r and s

Respuesta :

vincy54 vincy54

02-05-2019

Formula: Sum of roots = -b/a

-3 + 2/3 = -r/1

-7/3 = -r

r = 7/3

Formula: Product of roots = c/a

-3(2/3) = s/1

-2 = s

s = -2

Answer Link

Otras preguntas

Giovanni gabrieli perfected which style of music

Which description represents the expression 5x−9 ? 9 is subtracted from the product of 5 and a number 9 more than the product of 5 and a number 9

Which set is a function?

Fifteen-year-old grace has a 10 p.m. curfew. she asks her parents to extend her curfew to 11 p.m. on weekends. when her parents ask her why, grace replies, "i'v

78·112=7278·112=72 . how can you tell that her answer is wrong?

Polyphemus creatures who eat plants that make them lethargic 2. Lotus-eaters sea monster with six dog heads 3. Cicones companion of Odysseus who dies at Ci

Governors have ______ to appoint top agency officials than they used to. a. less power b. greater authority c. more pressure d. less help

What kind of wind do the northers bring to Texas A.hot B.cold C.warm D.moderate

What shape marks the pegasus constellation?

Fill in the blanks. The _____________________ developed the first system of writing called _______________. A. Egyptians; Hieroglyphics B. Africans; cav