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

Help!! Please I’m stuck give [10pts]
Darias bought 5 school binders that cost $8.00 per binder. If a back-to-school discount of 40% was applied to his purchase, and then a 6% sales tax was added, w
The HCF of 17 19 and 3
Find the value of −12 + 8 −(−9). Question 20 options: 5 −13 −5 13
I need help answering this question
9 and -9 are examples of A. absolute values B.oposite integers C. products D. Quotients
three parts of stamen​
How does meiosis differ from mitosis? 1) it decreases the amount of cells. 2) it increases a lot of DNA. 3) it reduces the amount of DNA 4) and increases the n
can someone pls help me asap!!!
correct answer gets brainliest!find two expressions whose difference is 3x + 4​