Expressions, Equations & Inequalities
Proportional Relationships
Probability and Statistics
Percents
Rational Numbers
100

What is the main difference between an expression and an equation?

An equation has an equal sign and an expression has no equal sign.

100

What does C.O.P stand for?

Constant of Proportionality

100

What is the probability of rolling a dice and landing on a number less than 3

2/6 or 1/3

100

What is the percent equation?

P = %/100 x W
100

Finish the rule: Subtracting a number is the same as ...

Adding its opposite!
200

What are two ways that we learned to simplify an equation?

1. Combine like terms

2. Distributive property

200

How do you calculate the C.O.P?

Divide the D.V by the I.V

200
When you are trying to find the probability for more than one event then that is called ________ probability

compound

200

What type of percent problem is a 30% discount?

Percent decrease

200

What will be the sign of the product of -5 x 6? Why?

Negative because a positive multiplied by a negative is negative.

300

When solving an inequality when does the inequality symbol flip?

When you are multiplying or dividing by a negative number.
300
What needs to be true for a table to be proportional?

All unit rates are the same

300

How do you calculate the mean?

Add up all the values and divide by the total number of values

300

What is 20% of 80?

16
300

7 and -7 are opposites! Why are they opposites?

-Both the same distance from 0

- When you add them both you get 0.

- same absolute value

400

In order to solve a two-step algebraic equation and isolate the variable you must use _______ _______. 

inverse operations

400

What two things need to be true for a graph to be proportional?

1. A straight line.

2. Must go through the origin.

400
How do you calculate the IQR? (Interquartile Range)

Subtract Q3 and Q1. 

400

Set up the percent equation for the following problem:


7 is 15% of what number?

7 = 15/100 x W

400

Write an expression that represents this problem:

Jeff went scuba diving and dove 30 feet below sea level, traveled upward 5 feet, and then continued to dive downward 15 more feet.


-30 + 5 + -15

500
-3x + 6 = 30

x = -8

500

What would the equation for the proportional relationship be, where k is the C.O.P?

y=kx

500

How many outcomes are there to spinning a spinner with the colors (blue, red, white and green) and rolling a cube numbered 1 through 6.

24 outcomes

(6 x 4 = 24)

500

Finding a 10% commission is what kind of percent problem?

a) Percent increase

b) Percent decrease

c) Percent of

d) Percent change

c) Percent of

500

What is the reciprocal of 2/3?

3/2

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