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

Δhello :
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

There are 336 girls at a concert. The ratio of girls to guys at the concert is 4 to 5. How many total girls and boys are at the concert
The length of a rectangle is four times its width. If the area of the rectangle is 100 ft?, find its perimeter
Find the greatest common factor of 35 and 20 ?
In 1990, the cost of tuition at a state university was $4300. the tuition increases at a rate of 4% each year. a. how much would it cost to attend the universit
Identify three European political thinkers. Explain how the American government reflects their ideas.
find the rate of change in the table​
Please hurry!!! ASAP!!!! n + 6 divided by -4 = 10 what is the value of n?
Find the ratio In simplest form. 15 minutes to 2 hours
The probability that z is greater than -1.8
What is the value of y?