Solving Systems of Linear Equations 1
Solve the system of linear equations by graphing:
y = 2x + 9
y = -x + 6
(-1,7)
Solve the system of linear equations by graphing:
y = x + 4
y = -x + 2
(-1,3)
Solve the system of linear equations by graphing:
y = 2x + 5
y=1/2 x-1
(-4,-3)
Solve the system of linear equations by graphing:
x + y = 7
y = x + 3
(2,5)
Is it possible for a system of linear equations to have exactly two solutions? Explain your reasoning.
No, two lines cannot intersect in exactly two points.