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

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 shape is a parallelogram

Why did the U.S. support Saddam Hussein and Iraq in the war against Iran in the 1980s? A. The U.S. considered Iran's militant Islam a bigger threat. B. Iraq thr

What is the answer to 1/3 +5/12?

What are the reasons for and the goals of the United Nations

When it comes to cholesterol, it is better to have __________.

Divide 969 by 26. A. 32 r 6 B. 28 r 5 C. 29 r 17 D. 37 r 7

What number is 10,000 less than 337,676?

Which question does the Prologue in Romeo and Juliet answer for viewers? A. What started the feud between the families? B. Will the young lovers live happily ev

In which part of a story is the lesson or main message revealed?

Which answer choice correctly completes the sentence? For centuries, the ship had __________ beneath the waves. A. lie B. laid C. lain D. lay