Rational Numbers
A number with a decimal pattern that repeats itself endlessly.
Repeating decimal
The opposite of a number.
Additive inverse
Simplify 12 ÷ 4 + 8 · 3
27
A ratio that compares two quantities that have different units.
Rate
Use the equation to identify the starting value of the linear relationship.
y = –3x + 7
7
Simplify 9 – 6.5 ÷ 1.25.
3.8
What is -5 + -7
-12
Solve 4x − 3 = 17
X = 5
Rewrite 1/4 book per 1/3 hour as a unit rate
3/4 book per hour
What is the rate of change from the ordered pairs listed: (2,7) and (3,12)
5
Use order of operations to simplify −1/2 + 4(4.50−1.50)
11.5
What is -43 - (-65)
22
Solve 4(x − 5) = 28
X = 12
What is the constant of proportionality in y = 7x
7
Amy leaves an airport coffee shop and walks 30 feet toward her gate. She then gets on a moving walkway that is moving 2 feet per second.
What is the rate of change of the linear relationship between time and Amy's distance from the coffee shop?
2 feet per second
Travis plays a trivia game. He earns 2 points for each correct answer and loses 0.5 points for each incorrect answer. He gets 13 correct answers and 2 incorrect answers.
What is his score for the game?
25
Term used to describe a number‘s distance from 0 on a number line
Absolute value
The watch Bea would like to buy costs $10 less than 2 times the amount she has saved. The watch costs $50. How much money does Bea have saved?
$30
A person standing on a moving walkway travels 100 feet in 50 seconds. What equation represents this relationship?
y = 2x
the patch and $4 per pound for the blueberries they pick. Write an equation to model the total cost, y, for x pounds of blueberries.
y = 4x + 5
Simplify 3.75+10.5÷1.5−2x.25
10.25
Noah opened a bank account. He deposited $100 each month for 6 months. His bank charged him $3 each month to use the account.
How much money is in Noah's account after 6 months?
$582
Brad ordered 6 equal-priced items. If the shipping cost was $7 and he paid a total of $37, how much did each item cost?
$5
Ms. Oram has two kinds of flowers in her garden. The ratio of lilies to roses in the garden is 3:5.
If there are 15 lilies, what is the total number of flowers in her garden?
40
The total charge for a service call, y, that takes x hours, can be modeled by
y = 85x + 15.
What does the 15 represent?
The y intercept