famousshorty famousshorty
  • 03-10-2018
  • Mathematics
contestada

evaluate the expression 4x^2-2 when x=3

Respuesta :

sid071
sid071 sid071
  • 03-10-2018

Hey there!!

Given equation :

4x² - 2

And x is given by 3

Now substitute the value of 3 in the equation :

... 4×(3)² - 2

... 4×3×3 -  2

... 12×3 - 2

... 36 - 2

Hence, the answer is 34.

Hope my answer helps!

Answer Link

Otras preguntas

Why is the electronegativity of beryllium lower than the one of sulfur?
A.) 6.3 square inches B.) 12.6 square inches C.) 40.8 square inches D.) 163.3 square inches
Keshav has $250 in his account. This is $75 more than his brother Nalin has in his account. Write and solve an addition equation to find the amount of money in
2. The immune systems is built of millions of cells called: a. Erythrocytes (red blood cells) b. Immune cells c. Leukocytes (white blood cells) d. Lymphocytes
10 POINTS Which of the following was NOT a characteristic of Romanesque architecture? a. Rounded Arches b. Barrel Vaults c. Thick Walls d. Dark interiors e. Lar
If anyone needs help with Spanish I can help :)
A 55-inch candle burns down in 44 hours. How far has it burned after 7 1/2 hours? I'll give u brains
Select the correct answer. Paul uploaded a video of skateboarding tricks on a popular social media platform. Initially, only 5 of his close friends viewed his v
Which region (or section) of the 13 colonies used slave labor to grow tobacco? A Spanish Territory B Middle Colonies C Southern Colonies D New England Colon
someone please help me out ill mark you as brainlest