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

Show that 5/6 - 3/4 = 1/12
How are populations limited in ecosystems?
A8 x 3B = 2730 What number is A and B?      You don't have to explainPlease answer soon
What is 2/3 of a share of $24 390
Give the components of the vector whose length is 10 and whose direction opposes the direction of [–4, 3].
Given the function rule f(x) = x^2 - 3x + 2, what is the output of f(-2)
sara has 3 dozen golf balls how many golf balls does she have
Jason has a piece of wire that is 62.4 inches long. He cuts the wire into 3 equal pieces. Which is the best estimate of the length of each piece of wire.
The Liberator was to William Lloyd Garrison as the North Star was to A. Theodore Dwight Weld. B. the Grimke sisters. C. Harriet Tubman. D. Frederick Douglass.
how were the social classes of sumer organized ??