emilypk64 emilypk64

18-07-2019
Mathematics

contestada

quadratic function

I need help writing quadratic functions the zeroes are 3 and -10

Respuesta :

Banabanana Banabanana

18-07-2019

Answer:

у = x² + 7x - 30

Step-by-step explanation:

x₁ = 3 and x₂ = -10

Use the formula (x - x₁)(x - x₂) = 0

(x - 3)(x - (-10)) = 0

(x - 3)(x + 10) = 0

x² + 10x - 3x - 30 = 0

x² + 7x - 30 = 0

Answer Link

Otras preguntas

If heroes are a reflection of "who we are as a culture and as people," what does King Arthur reflect? What traits does he show that Western society values?

write 4/x+2 + 3/x-2 as a single fraction in its simplest form

17/50 what is 17/50 in percentage and decimal?

it takes 10 workers 10 days to paint 10 houses. How many houses can five workers paint in five days?

v/w = 9 for w Please note that the dash between v and w means the fraction sign

why does the Arabian peninsula have small amounts of farming?

8p-3+(-3p)+8 what is it answer

Did Abraham Lincoln use a cane

Melissa is 13 years old, Becky is 12 years old and Daniel is 10 years old. Melissa, Becky and Daniel share £28 in the ratio of their ages. Becky gives a third o

John currently has enough money to buy 45 books. If each book cost 10 cents less, John could buy 5 more books. How much money does John have to spend on book? (