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 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

What is the nth term rule of the linear sequence below? 27, 25, 23, 21, 19, ...
strong and interesting word choices, combining short phrases In this lesson, we have focused on using t phrases to achieve subordinate conjunctions and absolute
Avogadro's number is the number of atoms or molecules in one mole of any substance. In other words, a mole is 6.02X1023 of some chemical unit. The size of the c
Acid rain is caused by which of the following? excess carbon dioxide deforestation nitrogen compounds in the soil nitrogen compounds in the air
What are the approximate area and circumference, respectively, of a circle with a diameter of 30 inches?​
What phase of mitosis is shown in the diagram below
How is the word honourable used in the context of Antony’s speech? It is used as a public expression of praise toward Brutus. It is used as a negative and ironi
Find the HCF of x 3 y 3 and y 4
Use the compound interest formulas A=P1+ r nnt and A=Pert to solve the problem given. Round answers to the nearest cent. Find the accumulated value of an invest
When does crossing over occur? A. Before Meiosis B. Meiosis 2 C. Meiosis 1 D. After Meiosis