grasersp grasersp

02-11-2021
Mathematics

contestada

If x = 3, what is the value of 2x^2 - 9?
A.
9
B.
36
C.
27
D.
29

Respuesta :

sup3rman2295 sup3rman2295

02-11-2021

Answer:

A. 9

Step-by-step explanation:

3^2=9

9x2=18

18-9=9

Answer Link

KarenRodrigues KarenRodrigues

02-11-2021

Answer:

Substitute the 3 for x into the equation.

2(3)^2 - 9

2(9) - 9

18 - 9

9

So, the answer is A) 9.

:)

Answer Link

Otras preguntas

find a non-zero value of K such that kx^2+ 8x+8+= 0 has only one solution. What is the solution?

when was Nepal divided into development regions first

What is the job market like for a personal trainer? Is there any research on what the market will be like when you’re older?

If two lines intersect, their inersection is

MIST BE CORRECT! PLEASE HELP, I WILL MARK BRAINLIEST AND 100 POINTS In the introductory paragraph of a literary analysis, where should writers place their viewp

Let f(x) = 3x2 - 6x + 2. Find f(-2). A) 20 B) 22 C) 24 D) 26

In 1986 the prime minister of which European country was assassinated on his way home from the cinema with his wife?

What novel by victor hugo became the best-selling book on amazon france following the fire at the cathedral named in question 3?

Help I don’t understand this one :/

Which of the following is true regarding the inner transition elements? (PF) A. These include the lanthanides and actinides and do not have f sublevels. B. They