Linear Equations
All proportional relationships go through the ___, therefore they have a ___.
y=3x+3
y=3x+3
y=2
y=3x+6
What does x equal?
12
Yesterday, your friend watched 5 episodes of Friends yesterday and you watched 2 episodes. Today, you both watch one episode per hour. Will you ever catch up?
No
In y=mx+b, m is ___ and b is ___.
slope, y-intercept
y=4x+6
y=4x+10
no solution
y=5x
5x+2y=15
What does x equal?
Yesterday, your friend watched 5 episodes of Friends yesterday and you watched 2 episodes. Today, your friend watches 3 per hour and you watch 1 per hour. What are the two equations in the linear system.
y=3x+5
y=x+2
If you have parenthesis in a multi-step equation, you need to use the ____ ____.
distributive property
y=8x+10
y=2x+10
one solution
What operations do we need to use in last step in order to isolate the variable?
multiplication or division
y=-3x
6x+2y=6
no solution