+0  
 
+1
119
1
avatar+412 

 Solve the system of equations algebraically. 

                             


Solution(s):______

 Apr 8, 2019
edited by kikidylm  Apr 8, 2019
 #1
avatar+106539 
+1

Set the equations equal

 

-2x + 5  = -x^2 + 3x + 1        add x^2 to   and subtract 3x + 1  from  both sides

 

x^2 -5x + 4  = 0       factor

 

(x -4)(x - 1)  = 0          set both factors to 0  and solve for x and we have that

 

x = 4     or    x = 1

 

cool cool  cool

 Apr 8, 2019
edited by CPhill  Apr 8, 2019

34 Online Users

avatar