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

A rescuer arrives at the side of an adult victim and suspects an opioid associated life-threatening emergency The victim is unresponsive and not breathing norma

Read the introduction to a personal statement. usually, when people talk about "rocky" relationships, it’s with a frown, but mine has enriched my life. i became

Question in pic above

Question 1: What are the solutions to the following graph, and what is the equation of the axis of symmetry? Question 3: What are the coordinates of the vertex

Please help!- Give an example of two different sets of data, in which both box plots have the same range and IQR and yet represent completely different data. Ex

4-5 practice proving right triangles congruent worksheet 1-7

need help pls………………………….

!! 8 cm 20 cm O 503 cm O 4,021 cm O 1,005 cm? O 1,407 cm?

show that the derivative of an odd function is even function and viceversal

Which digit correctly completes the comparison below? 21.851 < 21.?05 A. O B. 5 C. 8 D. 9