Integers
Proportionality
Equations& Inequalities
Mix
Expressions
100
When you multiply or divide a negative number and negative number what will your answer be?
Positive
100
How do you know when a graph is proportional?
1) Goes through the origin
2) Straight Line
100
2x -10<-20
x<-5
100
Alyssa is making cookies. She bakes 4/5 of a cake in 4/15 of an hour. How many cakes can she bake in 1 hour?
3
100
-5x-10x
-5x
200
(-2)+1 - 8
-9
200
What is the constant of proportionality shown in the table?
(x) (y)
4 2
8 4
6 3
0.5 or 1/2
200
-2x +6>8
x<-1
200
Nicholas buys a shirt for $16.50 plus 5% tax. What is the cost of the shirt?
17.33
200
-4(x-2)
-4x+8
300
2-5-16
-19
300
What is the constant of proportionality shown in the table?
(x) (y)
5 4
6 4.8
8 6.4
0.8 or 4/5
300
2(x+3)=10
2
300
Amy rides her bike 4 miles in 3/4 hours. How many miles can she ride in 1 hour?
5 1/4 miles
300
12y+4-2y-5
6y-1
400
(-2)(-2)(1)(3)
12
400
Find the constant of proportionality
20
400
-2(x +4) = 8
-8
400
You want to buy a new shirt that originally cost $12.25. It is on sale for 30% off. What is the new price of the shirt?
8.58
400
-8+4a-2a+2
-6+2a
500
(-3.8) + (-2) + (-8.1)
-13.9
500
y=3x
500
-4(-2x+8)=-96
8
500
John can run 3/4 of a mile in 1/3 of an hour. How far can he run in 1 hour?
2 1/4 miles
500
-5x-2-3-15x
-20x-5