SummerKitty
SummerKitty SummerKitty
  • 19-07-2017
  • Mathematics
contestada

If we express $2x^2 + 6x + 11$ in the form $a(x - h)^2 + k$, then what is $h$? (ignore the $)

Respuesta :

sergibcnusa sergibcnusa
  • 19-07-2017
2x^2+6x+11 = 2(x+3/2)^2 + 11 - 9/2,

so h = 11 - 9/2 = 13/2
Answer Link
chitvansingh2109 chitvansingh2109
  • 24-07-2020

Answer:

-3/2

Step-by-step explanation:

We complete the square. First, we factor 2 out of the terms $2x^2 + 6x$ to get $2(x^2 + 3x)$. We can square $x + 3/2$ to get $x^2 + 3x + 9/4$, so $h = \boxed{-3/2}$.

Answer Link

Otras preguntas

question in pic, plz help!
I think of a number. I multiply it by 5 and then add 7 The answer is 22 What number was I thinking of?
What structure bring water into the leaf from the roots?
I might be going crazy but I dont think any of these work? Please help
Geographic Earth materials modified over time by physical, chemical, and biological processes that serve many functions are considered __________. A) equatorial
Ryan hiked to a famous point with a beautiful view. It took 2 hours to hike to the viewpoint and 30 minutes to hike back. Ryan spent 35 minutes enjoying the vie
What is the difference between many to many and one to one relationships in math?
Juan has $1.30 in dimes and nickels. He has a total of 15 coins. How many dimes does Juan have?
Maple Trail intersects Woodland Trail and elm trail at their midpoint. you enter the trails at point P. you walk from the entrance up woodland trail to maple tr
Whats 4 + 2x + 7(x + 2) =