s404847 s404847

04-04-2022
Mathematics

contestada

Evaluate 3x2−9
when x=−2

Respuesta :

jimrgrant1 jimrgrant1

04-04-2022

Answer:

3

Step-by-step explanation:

substitute x = - 2 into the expression

3x² - 9

= 3(- 2)² - 9

= 3(4) - 9

= 12 - 9

= 3

Answer Link

Otras preguntas

Which sentence is punctuated correctly? A. I ate one-half of that large meatball sandwich. B. Laura has seen only twenty five minutes of the hour-long televisio

AP US History question: Analyze the ways in which the federal government sought support on the home front for the war effort during the First World War.

Canada has ten provinces that share power with the central government. Which of the following terms best describes this characteristic of Canada?

How did Reconstruction affect daily life in South Carolina?

name one specific instance where science was or is being used to make decisions

6/15 divided by 4/21 = ?

In " The Great Gatsby," what does Jordan tell Nick when they see each other after Gatsby's death? a.) she is engaged to another man b.) she knows that Daisy was

Of the 8760 hours in a year, one television was on for 2190 hours. What percent is this?

Does your body have more immovable or movable joints? ? Why

True or False Feudalism originated after Charlemagne's death. True False