FranciscoCorradini FranciscoCorradini

11-06-2015
Mathematics

Answered

What is the value of the expression 3a2 - 4|a| + 6 when a = -3?
(1) -24 (3) 21
(2) -9 (4) 45

Answer :

Panoyin Panoyin

14-06-2015

3a² - 4|a| + 6
3(-3)² - 4|-3| + 6
3(9) - 4(3) + 6
27 - 12 + 6
15 + 6
21

Answer Link

Other Questions

During a game of online hearts three cars are dealt one at a time without replacement from a shuffled ordinary deck of cards. What is the probability that all t

The Gonzalez family loves to go out to eat at their favorite restaurant. Every Friday, for the last 3 years,they have visited their favorite place. A month ago,

Find the [tex]\( x \)[/tex]-intercepts (horizontal intercepts) of the function: [tex]\( f(x) = 3|x + 3| - 7 \)[/tex].The intercepts are at [tex]\( x = \)[/tex]

Solve the equation using square roots.[tex]\[ 3x^2 - 27 = 0 \][/tex]A. No real number solutionsB. [tex]\( \pm 3 \)[/tex]C. [tex]\( \pm 9 \)[/tex]

1. For the following processes, calculate the change in internal energy of the system and determine whether the process is endothermic or exothermic. The surro

A cylindrical canister contains 3 tennis balls. Its height is 7 inches, and its radius is 1.5 inches. The diameter of one tennis ball is 2.25 inches. How much o

On the basis of information in the passage, what can you infer?

Helpppp please I will give you brainlist Interview an adult over the age of 30 and ask them if they could write a letter to their teenage self, what life l

Design a system to screen the beams and prove all disprove the claim of their metal impurities in beams .write a report to this claim

A result block that has a prominent link to the official website of a highly-rated Italian restaurant in Boston, along with visit-in-person information (e.g., d

explain how humans have impacted the biome in which you live which is missouri

9 1/3x4x6 1/2=?5 3/4x8x2 1/2=?Pls answer this two questions tnx!

What is k+3 3/4 = 5 2/3 - 1 1/3

How many prime numbers are there between 45 and 72?

how is cytokinesis in a plant similar to cytokinesis in animal cells? how is it?

Which statement best describes Richard Nixon’s attitude toward Watergate? (A) He did not believe that wiretapping the Democratic National Headquarters and tryin

9 1/3x4x6 1/2=?5 3/4x8x2 1/2=?Pls answer this two questions tnx!

Television screen sizes are the diagonal length of the rectangular screen. Hector recently changed from watching a television with a 13-inch screen to a televis

After a large snowstorm, you shovel 2,500 kilograms of snow off of your sidewalk in half an hour. You lift the shovel to an average height of 1.5 meters while y

facts about highwaymen