# Physics

How do you know if a quadratic is a perfect square?

1. 👍
2. 👎
3. 👁
1. When written in ax^2 + bx + c form, it is a perfect square IF b^2 = 4 a c.

In that case, it is the square of
(a)^1/2 * (x + b/(2a)]

1. 👍
2. 👎

## Similar Questions

1. ### English

Select the correct verb tense used in the sentences below That company has been making surfboards since the 1960's present perfect progressive present progressive*** past perfect progressive past progressive We had been listening

2. ### Math

Form the perfect square trinomial in the process of completing the square. What is the value of c? x^2 + 3x + c = 7/4 + c c =

3. ### English

1. Which mood is used in the following sentence? When will the tickets go on sale? a. indicative****** b. imperative c. conditional d. interrogative Please select the correct verb tense that is used in the sentences below. 2. That

4. ### check my answers please

1.)order the group of quadratic fractions from widest to narrowest graph. y=3x^2;y=5x^2;y=7x^2 a.)y=3x^2;y=5x^2;y=7x^2 b.)y=7x^2;y=5x^2;y=3x^2 c.)y=3x^2;y=7x^2;y=5x^2*** d.)y=2x^2;y=7x^2;y=3x^2 2.)the area of a play ground is

1. ### Math

Complete the square. Write the resulting perfect square trinomial as the square of a binomial. X2+9x

2. ### Algebra

Use the quadratic formula to solve the equation. Give exact answers: 2x^2 -1 = 6x. The choices are: a) -3 + square root(7)/2, -3 - square root(7)/2 b) 3 + square root(11)/2, 3 - square root(11)/2 c) 3 + square root(7)/2, 3 -

3. ### Algebra

Please Help! Given the following three points, find by hand the quadratic function they represent. (−1,−8), (0,−1),(1,2) A. f(x)=−3x2+4x−1 B. f(x)=−2x2+5x−1 C. f(x)=−3x2+10x−1 D. f(x)=−5x2+8x−1 Determine if

4. ### maths

what least number must be added to 630 to make the sum a perfect square? find the perfect square and its square root.

1. ### Math

describe how you would estimate the square root of a number that is not a perfect square without using a calculator?

2. ### Math Ms. Sue help me

What does it mean to say that a number is a perfect square? Give one example of a number that is a perfect square and one that is not. Can you plz help me?

3. ### math

Describe how you would estimate the square root of a number that is not a perfect square without using a calculator. could you please explain this to me?

4. ### Algebra

Complete the square for the binomial. Then factor the resulting perfect square trinomial. x^2 -2/11X