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

What is an effect of Chaucer's decision to use a pilgrimage as the central premise for The Canterbury Tales?

a bag trail mix weighs 1.625 pounds round 1.625 to the nearest tenth

What are the top 6 responsibilities of a citizen?

What part of speech is the word in uppercase? Shelly's beautiful dance thoroughly captivated the AUDIENCE. Noun Verb Adverb Adjective

if the angles of a quadrilateral are 140, 80, 60, 80 then what type of quadrilateral could it be? kite parallelogram rhombus trapesium

The Mexican Revolution established what form of government in Mexico?

JOSE USED 6 BLOCKS TO BUILD A STAIRCASE WITH 3 STEPS. HOW MANY BLOCKS WILLHE NEED TO MAKE A 6 STEP STAIRCASE?

At december 31, 2017, shorts company had retained earnings of $2,184,000. during 2017, the company issued stock for $98,000, and paid dividends of $34,000. net

What were the two main reasons that the British granted independence to India? A:Gandhi’s campaign gained attention from governments worldwide. B: Gandhi convi

how are physical and mental challenges connected to heroism?