alinateow
alinateow alinateow
  • 01-02-2020
  • Mathematics
contestada

Hi :) I don’t understand the inequality part ... anyone able to help? Thank you :)!

Hi I dont understand the inequality part anyone able to help Thank you class=

Respuesta :

LammettHash
LammettHash LammettHash
  • 01-02-2020

Completing the square gives

[tex]x^2+3x-6=x^2+3x+\dfrac94-\dfrac{33}4=\left(x+\dfrac32\right)^2-\dfrac{33}4[/tex]

Then

[tex]f(x)=\left(x+\dfrac32\right)^2-\dfrac{33}4\ge0-\dfrac{33}4=-\dfrac{33}4[/tex]

and -33/4 = -8.25, so your answer is correct.

Answer Link

Otras preguntas

What should be the guiding factor for a designer when using colors in a garment?
Your shopping cart has a mass of 65 kilograms. In order to accelerate the shopping cart down an aisle at 0.30 m/s2 What force would you need to use or apply
I need help on these questions PLEASE
is 14.5% equivalent to the decimal 14.5
Choose the correct answer: 1) If I want to communicate with a foreign friend, I .... rather e-mail him. (will-am-would-can) 2) It's dangerous to look at the sun
A tall pea plant could _______. Select one: a. have the phenotype of Tt b. have the genotype of tall c. have the phenotype of tt d. have the genotype of Tt
how do a cell reproduce?
. Which choice is correctly punctuated? My roots can be traced; to Britain and Ireland. Genealogical research in Britain and Ireland is relatively easy; records
Which sentence uses punctuation correctly? A. The city, that I know best, is Philadelphia. B. The city that I know best is Philadelphia. C. The city, that I kno
Which sentence is a run-on sentence? A. Most humans eat around 3 to 5 pounds of food every day. B. A blue whale eats up to 6,000 pounds of food per day, which i