What 2 things make a graph proportional?
Passes through the origin (0,0) and is a straight line
A negative times a negative gives you a what?
positive
-5w = 35
w = -7
What is the formula for finding volume of a Triangular Prism?
base x height /2 (B x H divided by 2)
What does Theoretical Probability mean?
What could happen
Greg paid $13.47 for 3 pounds of ice cream. What is the price per pound of ice cream?
$4.49 per pound
negative
Combine like terms:
4x + 12 - 3x - 2
x + 10
Find the volume of the pyramid.
5390 ft3
What does Experimental Probability mean?
What did happen
A sloth moves 1/6 feet in 1/3 hour. What is the sloth's rate in feet per hour?
What is 1/2 feet per hour
-5 - 5 = ?
-10
Factor:
6h + 36
6(h + 6)
The diameter of the world's largest pizza is 122 meters. What is the area the pizza covers?
11683.94 meters2
3/9 or 1/3
Find the C.O.P.
C.O.P. is 3
The coldest day this year was -15 degrees. Today the temperature is 40 degrees. What is the temperature difference?
55 degrees
Write a 7th grade equation and solve:
A boating club rents sail boats for $60 a day and $20 each hour. When you return the boat, your fee is $140. How many hours did you rent the boat?
60 + 20x = 140
x = 4 hours
Find the area of the hexagon
# of sides x length of sides x apothem divided by 2
6 sides x 3.4 x 2.9 /2 = 29.58 cm2
There are 12 girls and 18 boys in a class. What is the P(girl) will be chosen at random?
12/30 or 2/5
Create an equation from the table.
y = .75x
You borrow $17 from a friend to buy dinner and a movie. You borrow another $11 from your parents for a new CD. How much money do you owe?
-$28 or you owe $28
Simplify the expression:
-2(4x + 1)
-8x + -2 or -8x - 2
Find the volume of the hexagonal prism
6 sides x 10ft x 8.66ft / 2 = 259.8 x 25ft = 6495ft3
A bag of M&M's has 5 green, 7 red, 3 blue, 10 yellow and 6 brown. What is the P(green or yellow) will be chosen at random?
15/31