WolfLily
WolfLily WolfLily
  • 01-08-2019
  • Mathematics
contestada

Can someone help me please?!?

Can someone help me please class=

Respuesta :

kosala1478
kosala1478 kosala1478
  • 01-08-2019

Answer:

k=10

Step-by-step explanation:

g(x)=2x^2+ kx+18

when x=-2

g(-2)=2 (-2)^2 -2k +18

Since when x is -2, y =6

6=2 (-2)^2 -2k +18

6=18+8-2k

2k=26-6

2k=20

k=10

Answer Link

Otras preguntas

The discriminant of a quadratic equation is the value b2 – 4ac. What is the value of the discriminant of 0 = –2x2 + 6x + 13?
The motion of a particleexecuting S.H.M is given by x= 0.01 sin 100 ti (t+0.5)where x is in meter and 't' insecond. The time period is​
Solve the equation or inequality 3(14+x) =57 for the unknown number. Show your work.
What is the probability of rolling 2 on a die
What is the value of 5 2/5 + 4 3/7?
SOMEONE PLEASE HELP ME ASAP PLEASE!!!​
WHAt is the equation of the graph below?
what do you prefer Cats or Dogs? Why?​
Poem:Because I could not stop for death What effect does the speaker’s use of personification have on the theme of the poem?
Help please and thank you