E4leannaAnaBilburke E4leannaAnaBilburke
  • 26-04-2017
  • Mathematics
contestada

This system has one solution.

y=5x−9
{
y=x^2 −3x+7


What is the y-coordinate of the solution?

Enter your answer in the box.
y =

Respuesta :

ghanami
ghanami ghanami
  • 29-04-2017

Δ
hello :
y=5x−9...(1)

y=x² −3x+7....(2)
x²-3x+7 = 5x-9
x²-8x+16 = 0
Δ =(-8)²-4(1)(16) =0
x1=x2=8/2=4
in(1) :y =5(4)-9 =11

Enter your answer in the box.
y = 11
Answer Link

Otras preguntas

Two cars leave Phoenix and travel along roads 90 degrees apart. If Car 1 leaves 60 minutes earlier than Car 2 and averages 40 mph and if Car 2 averages 50 mph,
in the equation y= -2x what are the possible values of y?
Qualitative factors that should be considered when evaluating a make-or-buy decision area. the quality of the outside supplier's product.b. whether the outside
During a trial run, race car A starts from rest and accelerates uniformly along a straight level track for a particular interval of time. Race car B also starts
What is a spirometer and describe its use?
A rectangular field is 3 times as long as it is wide,and it has an area of 192 square yards. How manyyards long is it?​
Smiling muscle a. Levator labii superioris b. Zygomaticus
The mother of an infant child asks the nurse what the right feeding schedule is for an infant. Of the following responses, which would be the best response for
Can anyone please send the 1st question
what is a karyotype​