johnindaba2016 johnindaba2016

20-07-2020
Mathematics

contestada

Prove that the expression 2x(x–6)–3(x^2–4x+1) is negative for all values of x.

Respuesta :

20-07-2020

Step-by-step explanation:

The expression can be simplified to -3 - x² which is a concave downward parabola with a maximum at y=-3. Hence all values are less than or equal to -3 and thus negative.

Answer Link

Otras preguntas

find the missing terms in the following sequence 2,4,8,16,30, , , , 186,

Which correctly identifies the underlined words in the sentence below? Leaving the theater after the movie, Bill was amazed it was still light outside. A. An i

When did Democritus propose the idea of atoms?

What influences the path that surface currents take?

Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea. These will be blended into 1 poun

If gabby wants to make a regular octagon with a side length of 20 inches using wire ,How much wire does she need?Justify your reasoning with an explanation of w

Which measure is equivalent to 3 mi? A. 440 B. 15,840 C. 63,360 D. 190,080

How can knowledge of genetics be used to improve the agricultural production of food?

Chantelle has signed up for hockey. Her parents set a limit of $400 for costs for the season. It costs $250 to sign up plus $5 for each ice-time.what is the max

Which is not a problem that the indigenous people of mexico face? A. multiculturalism B. lack of spanish skills C. problems communicating with groups D. isolati