Vocabulary
A set of numbers or things arranged in order, one after the other, according to some rule.
What is a sequence?
It's the pattern rule for the following number sequence:
2, 7, 22, 67, …
What is "Start at 2. Multiply by 3, and add 1"?
When plotting coordinates, first move along the __-axis, then move up to the appropriate value.
What is x-axis?
Add: (-5) + (+11)
What is +6?
It's the new temperature after the initial temperature of -4oC rises 3oC.
What is -1oC?
The value of an integer without its sign (aka the absolute value).
What is magnitude?
It's the pattern rule for the following number sequence:
7, 2, 8, 3, 12, …
What is "Start at 7. Subtract 5, then multiply by 4"?
It's the name of the vertical axis on a graph.
What is the y-axis?
Add: (+8) + (-12) + (+4)
What is 0?
It's the amount of money Jacob owes his friend after borrowing $75 and paying back $48 so far.
What is $27?
A combination of one or more variables; it may include numbers and operation signs.
What is an algebraic expression?
It's the algebraic expression that describes the relationship between the term numbers and their term values in the following sequence (Tip: draw a table of values to help you).
11, 16, 21, 26
What is 5n + 6?
Fill in the blank:
The scatter plot of a number pattern whose term values increase by a constant amount will form a _________ line pattern on the graph.
What is straight?
Subtract: (-18) - (+11)
What is -29?
It's the integer expression that represents the following scenario using only positive integers:
An elevator is on the 12th floor. It rises 5 floors, then descends 8 floors.
What is (+12) + (+5) - (+8)?
Two opposite integers, when added cancel each other out and give a sum of zero.
What is the Zero Principle?
It's the 18th term value of the sequence represented by the algebraic expression, 3n + 7.
What is 61?
The process of extending a pattern on a scatter plot using a ruler and a dotted line.
What is extrapolation?
It's the missing value in the equation:
(-5) + ____ = +9
What is +14?
It's the change in Ethan's golf scores:
First score: +2
Second score: -3
What is -5?
An ordered pair, used to describe a location on a grid labelled with an x-axis and a y-axis.
What are coordinates?
Fill in the blank:
The algebraic expression, 3n + 7, represents a sequence. Term value 52 is the _____th term number of this sequence.
What is 15?
It's the coordinates (on a scatter plot) of the 7th term in the pattern 3, 7, 11, 15, ...
What are (7, 27)?
Add:
(-42) + (+17) + (-25) + (-14) + (+32)
What is -32?
The original integer used to perform the following steps:
HINT: Work backwards!
What is -4?