sistersbypride
sistersbypride sistersbypride
  • 13-11-2018
  • Mathematics
contestada

what number must you add to complete the square
x^2+x

A. 1/2
B. 2
C. 1/4
D. 1

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 13-11-2018

for [tex]ax^2+bx+c[/tex]

when a=1, then the value of c that will make the quadratic a perfect square (allows you to complete the square) is [tex](\frac{b}{2})^2[/tex]


given x^2+x

b=1

so [tex]c=(\frac{1}{2})^2=\frac{1}{4}[/tex]

answer is C

Answer Link

Otras preguntas

Although several people were nearby when the old man collapsed in the park, nobody immediately stepped forward to help. What term describes this failure of the
fin the domain of the function f(x)=x^2+7
math!! please please helppp!!! What is the slope of the line below? (i attached an image) a) (0,4) b) -1/3 c) (-1.5,0) d) 3 e) 4 f) (0,4) g) -3 h) 1/3
3. READ As you read lines 28-39, continue to cite textual evidence. . In the margin, explain how many sentences the poet uses in these lines, and what effect th
Which statement is true?
why shouldn’t abortion be illegal
there are 4 people at a party. each person brings one gift for each other person . what is the total number of gifts at the party
What symptoms of Schizophrenia did John Nash exhibit at the beginning of the movie?( a beautiful mind)
What is the output of the following program? public class Test { public static void main(String[] args) { new A(); new B(); } } class A { int i = 7; public A()
help me with this assignment 2 (Spanish high school)