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

What do planeria feed on while they are regenerating
In pea plants, red flowers and round pollen are known to be recessive traits. In a dihybrid cross experiment, lots of plants with red flowers and round pollen a
A stock is expected to pay a dividend of $0.5 at the end of the year (D1=0.5), and it should continue to grow at a constant rate of 7% a year. If its required r
What is the division expression for 5/11
Consider the standing wave pattern below created by a string fixed at both ends. The string is under a tension of 0.98 N and has a mass of 2.0 grams. What is th
How do I solve this equation using the substitution method?x -3y = 44x - 2y = 26
Welcome to rise of the knights has a similar denotation but different connotations
The diluted ink used with a brush to create various tones or values is called a _______ (blank).
What is 299.9875 to the nearest hundredth
A 500 turn coil is wound on an iron core. When a 120Vrms 60Hz voltage is applied to the coil, the current is 1A rms. Neglect the resistance of the coil. Determi