madeleinemcall madeleinemcall

12-02-2015
Mathematics

Answered

Y=-x^2+2x+7
Y=2x+7
Can you please help me with this substitution for graphing

Answer :

apologiabiology apologiabiology

13-02-2015

so subsitute 2x+7 for y
2x+7=-x^2+2x+7
subtract 2x+7 from both sides
0=-x^2
obviously x=0
then subsitute
0 for x
y=2(0)+7
y=0+7
y=7

the answer is
x=0
y=7

Answer Link

Other Questions

Which contains more molecules 100 mol H2O2 100 mol C2H2 or 100 mol CO

Which part of a sperm cell is responsible for providing the cells energy A cell wall B flagellum C round head D mitochondria section

A machine produces 1000 bowling pins per hour each valued at 837 What is the total value of the pins produced in 1 hour

10 more than the quotient of a number and 8 is at least 12 how would I write this in a algebraic expression

Jason would like his city to provide more public spaces for recreation He has written letters to the editor of the local paper and appeared before a city commis

Describe the differences between the four major types of roads

Which source provides measurements for just one location a ground station c weather balloon b radar station d satellite

is 56 closer to 1 or 0

If you interview a dentist to learn about her experiences on the job she is considered a secondary source of information true or false

What was the Underground Railroad Your response needs to include and explain the terms conductor lines station and freight