09-02-2015
Mathematics

Answered

if x=-3, calculate the value of 2x squared -5

please explain how to do it please.

Verified Answer :

09-02-2015

2x² - 5

WITH x = - 3

2 x (- 3)² - 5
= 2 x 9 - 5
= 18 - 5
= 13

Answer Link

Related Questions

Solve the equation for x 7x 2y

Solve the equation t4 16

how do you unscramble the word sedik

What is the logarithmic form of the equation e3x 3247

what is 25 off 3999

Rick rents a car from a company that charges him 25 per day plus 10 cents per mile driven Which expression can represent the amount he owed on a recent rental a

Which of the following is best described as a free enterprise system a communism b socialism c capitalism d totalitarianism

Is our lives determines by fate or the acts of our free will Please explain

According to the map the Peoples Republic of Albania was a satellite nation of the United States after 1960 was no longer aligned with the Soviet Union after 19

Select the sentence that is written correctly Most people call her a level headed student Most people call her a levelheaded student Most people call her a leve