hgjazmin99 hgjazmin99

23-03-2018
Mathematics

contestada

The sum of a number and its square is 2. Find the number(s).

Respuesta :

sqdancefan sqdancefan

29-03-2018

Let x represent the number.
.. x^2 +x = 2
.. x^2 +x +1/4 = 9/4 . . . . add 1/4 to complete the square
.. x +1/2 = ±3/2 . . . . . . . .square root
.. x = -2, 1

Numbers meeting that requirement are -2 and 1.

Ver imagen sqdancefan

Answer Link

Otras preguntas

One example of the importance of majority rule is that without a majority in Congress, it becomes difficult to __________.

What is it called when a single company is strong enough to control an entire industry?

mr lippman bought a dryer for 160 bucks and sold it for 240 bucks. if overhead expenses were 20% of the selling price, what was the rate of profit on the sellin

What is 23500 divided by 15 please show work

What is Statement 1? Please help!

April wants to multiply 6 and 42 using the distributive property. Which of the following number sentences shows how she could do it? 6 × 42 = 42 × 6 6 × (40 + 2

In which war did America experience a direct military attack upon it's own territory

When the Articles of the Confederation were written they showed Americans early distrust of a. The British b. States having too much power c. Strong na

Esperanza wants desperately to know if she will ever have a house of her own. In which of the following ways does she try to find out? A. She goes to

Who was the leader of the final campaign to unite north and south italy?