Mathematics, 20.07.2020 21:01 anika420
X^2 + 20x + 28 = 9 find the graphing/vertex form
Answers: 3
, where (h, k) is the vertex.
, and add 
both sides
 [(b/2)²=20/2=10]
![\Rightarrow\ (x+10)^2+119=0\ \ \ [\because\ (a+b)^2=a^2+b^2+2ab]](/tpl/images/0710/2316/42abc.png)
Another question on Mathematics
Mathematics, 21.06.2019 18:20
What are the solution(s) to the quadratic equation x2 – 25 = 0? o x = 5 and x = -5ox=25 and x = -25o x = 125 and x = -125o no real solution
Answers: 2
Mathematics, 21.06.2019 19:30
How are sas and sss used to show that two triangles are congruent?
Answers: 1
Mathematics, 21.06.2019 22:30
Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.
Answers: 1
You know the right answer?
X^2 + 20x + 28 = 9 find the graphing/vertex form...
Questions
Computers and Technology, 03.12.2020 21:20
Mathematics, 03.12.2020 21:20
Biology, 03.12.2020 21:20
Health, 03.12.2020 21:20
Computers and Technology, 03.12.2020 21:20
Mathematics, 03.12.2020 21:20
Arts, 03.12.2020 21:20
Mathematics, 03.12.2020 21:20
Health, 03.12.2020 21:20
Arts, 03.12.2020 21:20
