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

Estimate 46/6,725, then find the quotient.
what are three physical properties of aluminum foil
which term better describes political parties in american politics: division or unifying?
if the slope of a position versus time graph is downward what kind of motion produced the graph
If the diameter of a circle is half of a yard, then its radius is how many inches?
What numbers add up to -5 and multiply to get -90
what are two determining factors in how organisms are classified into kingdoms
the blueprint for landscaping a yard has a scale of 1/2" to1 foot. if the blueprint is a rectangle 18 inches by 22 inches,what are the dimensions of the yard?
Which of the following statements is not true?"Whom" can serve as the object of a preposition."Whom" is an object pronoun."Who" and "whom" are personal pronouns
Which two things are being compared in the poem?harbors and cities  fog and cats  cat feet and harborsfog and moving