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

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

(1). A number is randomly selected from {80, 81, 82, 83, 84, 85, 86}. A is represented by the event that the number picked is less than 84. What is the pro

If you exercise for an hour, at least half your time should be spent doing cardiovascular exercise. True False

develop a logical argument in support of a plant rich or an animal diet for a person who is concerned about their health... support your answer

The principal wants to conduct a survey as to whether a fitness club should be added to the choice of activities at the school’s after school program. Which sam

In a survey, 80% of people own a smart phone, 40% of people own a tablet computer, and 25% of people own both. what is the probability that a person owns a tabl

The __________ Peninsula, circled in orange on the map above, contains the countries of Sweden and Norway and is known for its fjords.

PLEASE HELP ME OUT!!!A chef has less than 25.8 lb of rice. She takes out 5 lb to use during the day and stores the rest in containers. Each container has 2.5 lb

John and Jen are married and decide to open three deprecate accounts for their money what is the most likely reason for this

What is the mean? 9, 12, 4, 11, 111

Could i get some Spanish help thank you!!