giraffegirl2 giraffegirl2

04-04-2019
Mathematics

contestada

solve y^2+7y+12=0 by completing the square.

solve y27y120 by completing the square class=

Respuesta :

chikafujiwara chikafujiwara

04-04-2019

Answer:

y = -3, -4

Step-by-step explanation:

Formula is (b/2)^2

So...

(y+7/2)^2 - 1/4 = 0

Add 1/4 to each side

(y+7/2)^2 = 1/4

Square root...

y+7/2 = +-1/2

Add

y = -3, -4

Answer Link

Otras preguntas

Which one of the following is NOT a right triangle? a 9, 12, 15 b 8, 15, 17 c 7, 24, 25 d 10, 16, 19

you think there is bias—intentional or not—in the excerpts? Explain your answer.

How can you use a protractor to prove that AB and DC are perpendicular?

A carpenter has wood that is 5x+2 feet long. How long is the wood after 2x-5 feet have been cut off. (type in your solution so i can learn from it thanks)

what are the two factors that affect the force of gravitation?

In recent decades, psychoanalytic theories of dreaming have given way to A. information processing theories B. prophetic theories C. garbage time theories D. l

Which pair of angles are alternate exterior angles of parallel lines v and w? b° and d° a° and b° a° and d° a° and c°

Severe symptoms of food allergy

I need help please

write one page report about La clemenza di tito please. Thank you!