Combining Like Terms
Combine like terms: 2 + 5x + 2x
2 + 7x
Mr. Shannon bought 5 pounds of cherries for $5. What is the unit rate for cherries?
1 pound = $1
Is the relationship between rides and cost proportional?
What is the scale factor?
5
Combine like terms: 1 + 3x + 2 + 5 + 2x
8 + 5x
What is a unit rate?
A unit rate means a rate for one of something.
What is the area of this shape?
3x + 3
Is this relationship proportional?
No, because it doesn't go through 0.
What is a scale factor?
The scale factor states the scale by which a figure is bigger or smaller than the original figure.
Combine like terms: x2 + 3x + 3x2 + 5 + 2x + 3
4x2 + 5x + 8
Randall paid $65 for 10 movie tickets. What is the unit rate for movie tickets?
1 ticket = $6.50
What is the perimeter of this shape?
31.6 ft
What makes a relationship proportional?
1. Goes through 0,0
2. Increases or decreases at the same rate.
Find the missing side length x.
16
Combine like terms: 2x2 + 3x2 + 3 + (-5x) + 2x2 + 8x
7x2 + 3 + 3x
A store sells 5 T-shirts for $25. What is the unit rate?
1 T-shirt = $5
What is the perimeter of the shape if x=3?
22
Is the relationship between pounds and cost proportional?
Yes, Goes through 0 and increases at the same rate.
What is the length of the missing side x?
Write an expression for the following tiles.
4x2 + 4x + 7
Ms. Stang paid $550 to take 25 students to Valleyfair. What is the unit rate?
1 student = $22
What is the area of the shape if x=5?
71
When we put gas in our cars, is the relationship between the number of gallons of gas that we put in the tank and the amount of money we pay proportional?
Yes, 0 gallons = $0 and you pay the same amount for each gallon of gas.
What is the scale factor?
1/5