ciera20
ciera20 ciera20
  • 03-10-2020
  • Mathematics
contestada

Let g(x)=x^2+bx+11. The point (-1,8) lies on graph of g. Find value of b.​

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 03-10-2020

Answer:

b=4

Step-by-step explanation:

g(x)=x^2+bx+11

When x = -1  g(x) = 8

8 = (-1)^2 +b(-1) +11

8 = 1 -b+11

Combine terms

8 = 12-b

Subtract 12 from each side

8-12 = 12-b-12

-4 = -b

Multiply by -1

4 = b

Answer Link

Otras preguntas

b - 7/4 = - 2/3 Solve for b
Four-year-old Naomi is developing normally. She is about to start her schooling and has a strong relationship with her parents and her older brother. PART A Exp
just by looking at the graph, does the graph represent a proportional relationship? Explain why you are choosing yes or no.
Source: "The Story." Nicholas Winton: The Power of Good, Gelman Educational Foundation. 2009. Web. 1. Read the following sentences from the text reflection: "Ma
How did the industrial revolution change lives for farmers?
The president is meeting with the Chancellor of Germany. Which presidential role is he or she fulfilling?
Who was the first woman to become prime minister of the united kingdom?.
How does the author's organizational structure in this text help readers understand the story of Billie Holiday's life? A) The events are in chronological orde
When an endogenous ligand like dopamine travels further away from the synapse to affect the activity at another synapse, we call this effect:
The sugar found in RNA is called deoxyribose. True or false