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

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

Prove that 2n + 1 ≤ 2n for n ≥ 3

Why can't plants catch a cold?

what is the time interval between the release of the ball and the time it reaches its maximum hieght? the acceleration gravity is 9.81m/s^2 and the maximum heig

name 1 element in the periodic table that sounds like a name

Please I really need help!equivalent fraction of 1/50 with a denominator of 100 and convert these fractions to decimals. Also these ones: 1/20 1/25 3/10 7/10 2/

what's bigger 60% of 90 or half of 100?

why is water so important in metabolism

How many counting numbers are between 30 and 65, not including 30 and 65?

rachel has a collection of 40 stuffed animals . of the stuffed animals 3/8 are bears and 1/5 are dogs the rest are other animals . how many other animals does s

Is 4xy + 2y = 9 linear ? If yes write the equation in standard form & determine the x & y interests