Unit 1
A ______ is either a single number or variable, or numbers and variables multiplied together.
Term
______ is another name for gradient.
Slope
______ are two or more straight coplanar lines that do not intersect.
Parallel Lines
______ is a group of two or more equations that involve two or more variables.
System of Equations
A/An ______ says that two values are not equal.
Inequality
______ a set of ordered pairs.
Relation
A ______ is the point on a line segment that divides the given line segment into two congruent parts.
Midpoint
A ______ involves identifying important intervals, and then testing a number from each interval.
Test Point
The number zero is called the ______ because the addition of zero does not change the value of any number, that is, for any given real number x.
Additive Identity
______ is a method used to check whether or not a relation is a function.
Vertical Line Test
______ can be used to find the distance between two points (x1, y1) and (x2, y2).
Distance Formula
A ______ is an ordered pair that is a solution of each inequality in the system.
Solution of a System of Linear Inequalities
______ is the reciprocal of a given number or expression.
Multiplicative Inverse
______ is any defined procedure or rule that can turn or map each member of one set into a member of another set.
Function
The ______ is a statistical measure that calculates the strength of the relationship between the relative movements of two variables.
Correlation Coefficient
A/An ______ is made up of three things: numbers, variables, and operation signs such as + and -.
Algebraic Expression
A/An ______ is a sequence in which the difference between each term and the one after it is constant.
Arithmetic Sequence
A ______ models the relationship between two variables by fitting a linear equation to observed data.
Linear Regression