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

When you rub a match against a rough surface, fire results, giving off light and heat. The law of conservation of energy says that energy cannot be created. How
A European who refers to china as the Far East is reflecting a form of
Sarah rolled a number cube 15 times and recorded the results. She found that she rolled an even number 2 times. What does 2/15 represent?
identify the interval that is not equal to the other three. explain your reasoning
Read the paragraph. (1) Have you ever wanted to make your own album or podcast? (2) Join the Avondale Middle School Digital Recording Club! (3) Come to our re
What is the sum of 3a+b+a+b=
Help please i really need it
Tax that you pay when making a profit from selling a house is an example of: A. Capital Gains Tax B. Sales Tax C. Income Tax D. Property Tax
On your work log, explain how being reflective and aware of our own digital footprints is important. How does it affect our future? What tips can you tell youn
Arrange the events in chronological order. Tiles Supporters of Charles I, the Royalists, engaged in a civil war with the Roundheads, supporters of Parliament. C