maddog0113 maddog0113
  • 01-02-2017
  • Mathematics
contestada

y=x^2+12x+10 -8x+y=10

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 01-02-2017
sub x^2+12x+10 for y in other equaiton

-8x+x^2+12x+10=10
x^2+4x+10=10
minus 10 both sides
x^2+4x=0
factor
(x+4)(x)=0
set to zer

x+4=0
x=-4

x=0

x=-4 or 0
sub back

y=0^2+12(0)+10, y=10
(0,10)

y=(-4)^2+12(-4)+10, y=-22
(-4,-22)



solutions are
(0,10) and (-4,-22)
Answer Link

Otras preguntas

what is 0.000000028 in scientific notation
which of the following is NOT a flaw of the Electoral College? A: some electors have more than two votes since the votes are based a states's population B: el
One computer has a mass of 0.8 kilogram and another has a mass of 800 grams. Compare the masses of the computers. Use >, <, or = to make a true statement.
432 square feet 2/3 is with what's the length
Which is greater 1 gal or 15 c
Subtract 2 hours, 20 minutes from 4 hours, 10 minutes. 2 hours, 10 minutes 1 hour, 50 minutes 1 hour, 30 minutes 1 hour, 10 minutes
Find the product of -8 and -7. -1 1 56 -56
What are two historic group migrations
In 1965, Congress adopted the Voting Rights Act. Describe this act. In your description, explain what led Congress to pass the act, and describe at least two of
Solve. 1/4 * 5/4 divided by 10/3