kellskells123 kellskells123

13-06-2016
Mathematics

contestada

Find the value or values of y in the quadratic equation y2 + 4y + 4 = 7

Respuesta :

JacobLeviste JacobLeviste

13-06-2016

Ok to start off, For the future use ^ to show exponents, example; y^2

y^2 + 4y +4 = 7

subtract 7 from both sides making one side equal zero, this now looks like a quadratic equation, right? Solve.

y=−2±√7

Answer Link

Otras preguntas

List 5 multiples of 2: 4: 6:

show me how smart u are

Find the area of the circle. Leave your answer in terms of pi.

How many grams of magnesium are required to react with 0.350 mol hydrochloric acid

Can u please help me solve -8(-2r-2)-6r

A swimming pool, 20.0 m ✕ 12.5 m, is filled with water to a depth of 3.73 m. If the initial temperature of the water is 17.5°C, how much heat must be added to t

1.) Rust forms when Fe, O₂, and H₂O react in the balanced equation below;2Fe(s) + O₂(g) +2H₂O(l) --> 2Fe(OH)₂(s)In an experiment 10.0g of Fe is allowed to re

I need help ASAP! Please. :)2. Why are adverse drug reactions often hard to detect?5. What are the requirements for disposing of bio hazardous material?Thank yo

Analiza?i structura morfologicã a locutiunilor adverbiale propuse ºi înscrieþi fiecare locutiune în rubrica respectivã a tabelului

During which process do trees remove carbon dioxide from the air?