System of Linear Equations Review

Solving Systems of Linear Equations 1

100

Solve the system of linear equations by graphing:

y = 2x + 9

y = -x + 6

(-1,7)

200

Solve the system of linear equations by graphing:

y = x + 4

y = -x + 2

(-1,3)

300

Solve the system of linear equations by graphing:

y = 2x + 5

y=1/2 x-1

(-4,-3)

400

Solve the system of linear equations by graphing:

x + y = 7

y = x + 3

(2,5)

500

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.