SOLUTION: How do I use the substitution method to solve the following system of eqautionsin which the solution consists of ordered pairs?
x^2 + y = 4
2x + y = 1
Algebra.Com
Question 46614This question is from textbook College Algebra by Blitzer
: How do I use the substitution method to solve the following system of eqautionsin which the solution consists of ordered pairs?
x^2 + y = 4
2x + y = 1
This question is from textbook College Algebra by Blitzer
Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!
2x + y = 1
also means:
y = -2x + 1
plug:
x^2 + y = 4
x^2 - 2x + 1 = 4
x^2 - 2x - 3 = 0
(x - 3)(x + 1) = 0
x = 3 and x = -1
plug:
y = -2x + 1
y = -2(3) + 1 = -5 so (3,-5)
y = -2x + 1
y = -2(-1) + 1 = 3 (-1,3)
RELATED QUESTIONS
How do use substitution method to solve the linear... (answered by rapaljer)
Explain how you would use the substitution method to solve the following system of... (answered by richwmiller)
How Do I solve This?
Use the substitution method to solve the linear system given.... (answered by drj)
use the method of substitution to solve the system of linear equations.
2x-y=4
(answered by MathLover1)
Use the method of substitution to solve the system of linear equations.
x-4y=14... (answered by josgarithmetic)
use the method of substitution to solve the system of linear equations?
2x-y=8... (answered by stanbon)
Use the Substitution method to solve the system of equations.
(answered by checkley77)
Please May I have your help on solving this equation?
Use the method of substitution... (answered by checkley79)
HOW DO I USE THE ELIMINATION METHOD TO SOLVE THE SYSTEM OF EQUATIONS
a+6b=1
a+2b+-3
(answered by ankor@dixie-net.com)