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

What international event led to the Red Scare?

Take a look at the statement below: Fish meal is better than artificial fertilizers. How could this statement be revised to make it a hypothesis?

could a mixture be made up of only elements and no compounds? explain.

how many wars did henry II win

A pair of sneakers is on sale for $51. This is 75% of the original price. what was the original price of the shoes?

Cotton gins: Select one: a. Flattened cotton b. Cut cotton from the ground c. Removed seeds from cotton d. Planted cotton seeds

If an orange is orange, why isn't a lime called a green or a lemon called a yellow?

What two numbers add up to 1 but multiply to -30

1. Name two elements that go through alpha decay

how many wars did henry II win