alexmariesanchez06
alexmariesanchez06 alexmariesanchez06
  • 09-07-2020
  • Mathematics
contestada

Evaluate 5 + 2(x + 7)2 for x = -4.
O A. 23
O B. 13
O C. 18
O D. 63

Respuesta :

leena
leena leena
  • 09-07-2020

Hey there! :)

Answer:

A. 23.

Step-by-step explanation:

Given:

5 + 2(x + 7)² for x = -4

Substitute in -4 for x in the equation:

5 + 2((-4) + 7)²

5 + 2(3)²

5 + 2(9)

5 + 18 = 23.

Therefore, the correct answer is A. 23.

Answer Link
wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 09-07-2020

Answer:

23

Step-by-step explanation:

5 + 2(x + 7)^2

Let x =-4

5 + 2 ( -4+7)^2

Parentheses first

5 +2 (3)^2

5+ 2*9

Multiply

5+18

add

23

Answer Link

Otras preguntas

Which expression is equivalent to 81 + 18? A. 9(9 + 2) B. 9(9 + 9) C. 9(9 + 3) D. 3(27 + 18)
what is -2x + 1 = -4x + 9
Ann is driving down a street at 60 km/h. Suddenly a child runs into the street. If it takes Ann 0.72 s to react and apply the brakes, how far will she have move
Simplify: (6^3)(9^3). Write your answer using an exponent.
How much work is done if an object travels 55m due to a force of 20N?
Are Viruses considered living? Reasons why viruses are non living
did government leaders in france support or oppose diderots encyclopedia
Which sentence correctly uses a colon to introduce a list? A. Reece, bring: your toothbrush, and a towel. B. Bryan could you pick up some: chocolate candies bef
I have 10 questions on this so I’m need help wit all 10
A positive feedback loop causes a system to change in the opposite direction from which it is moving. True False