jfloor0
jfloor0 jfloor0
  • 02-03-2018
  • Mathematics
contestada

What number would you add to both sides of x2 + 7x = 4 to complete the square? 22 72

What number would you add to both sides of x2 7x 4 to complete the square 22 72 class=

Respuesta :

choixongdong
choixongdong choixongdong
  • 02-03-2018
x^2 + 2*x*(7/2) + (7/2)^2  = (x + 7/2)^2

answer is (7/2)^2
Answer Link
gjulisaa890 gjulisaa890
  • 05-03-2018
the answer is D (7/2)^2 
Answer Link

Otras preguntas

please break this down and explain in detail
Another example of axiom 3 math grade 8
Given question is in attachment
Question 1a. The following equation models the spread of a disease: Where: N(t) is the number of people infected at the time. N0 is the initial number of i
What are the values of c and f?
A rectangle has a perimeter represented by the expression 6w+7, where is the width of the rectangle? Which statement best describes this rectangle? The express
lisa borrows $18 000 over 5 years from the bank. The loan is charged at 8.4% p.a. simple interest. Find the total amount owing at the end of 5 years. (2 marks)
The sum of first 6 terms of an ap is 42. the ratio of its 11th term to its 33th term is 1: 3. calculate the first term of an ap. 9=2
challenges of owning a tarven​
Select the number of the location in which there is an unnecessary comma or a missing comma. By the way,1 Thomas Franks,2 who owns a small construction firm,3