Examine the system of equations.
y = 2x-3
y=-3
Whích statement about the system of linear equations
is true?
The lines have different slopes.
There is no solution to the system.
The lines have the same slope, but different y-
intercepts.
The solution is (-3,-9).

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.