Algebra Vocab (chapters 1-4)
Terms
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- Equation
- Any sentence using =.
- Open sentence
- A sentence with a variable is called and open sentence.
- Real numbers
- The set of all the numbers that can be represented as terminating or non-terminating decimals.
- Cells
- Locations or boxes formed by the intersection of rows and columns.
- Theorems
- Important properties that have been proved to be true.
- Solution set
- An open sentence is the set of numbers from the domain that actually are solutions.
- Endpoints
- A and b are the end points of the interval.
- Coefficients
- A number multiplied by a variable or variables, in the term -6x, -6 id the coefficient of x.
- Domain
- All the values that may be meaningfully substituted fir a variable make up the domain.
- Variable
- A letter or other symbol that can be replaced by any number from another set.
- Two dimensional slide or translation
- One basic movement of a figure to another position.
- Origin
- Were axes intersect on a coordinate graph.
- Coordinates
- Every point in the plane of the graph can be identified with a pair of numbers.
- Model
- A general pattern that includes many of the uses of the operation.
- Algebraic expression
- An expression that includes one or more variables.
- Reciprocal rates
- Describe the same situations from different points of view.
- Multiplicative Identity
- Multiplying a number by the number 1 keeps it's identity of that number.
- Rectangular solid
- A 3-D figure with 6 rectangular faces.
- Preimage
- The figures original position.
- Reciprocal
- (of a)The number that gives a product of 1 when multiplied by a.
- Integers
- Whole numbers and their opposites.
- Empty set (null set)
- A set that has no elements in it. {}
- Like terms
- Variables in the terms that are the same.
- Scatter plot
- A graph were individual points are plotted.
- Pattern
- A general idea for which there are many examples.
- Unions
- The set of elements in either A or B (or both).
- Supplementary angles
- Two angles whose sum is 180°.
- Linear Equations
- An equation in which the variable or variables are all to the first power and none multiply each other.
- y-axis
- The vertical axis.
- Plane
- A flat surface that stretches forever in all directions.
- Closed intervals
- The end points are included.
- Intersection
- The set of elements that are in both A and B.
- Solution
- An open sentence is a replace for the variable that makes the statement true.
- Complementary angles
- Two angles whose sum is 90°.
- Algebraic fractions
- A fraction that has a variable in the denominator or the numerator.
- Quadrants
- The axes separate the coordinate plane into four quadrants identifies with I, II, III, IV.
- Hypotenuse
- The longest side of the triangle.
- Numerical expressions
- An equation, combination, or sentence with numbers only.
- Set
- A collection of objects called elements or members.
- Common Denominator
- The same denominator for two or more fractions.
- Pythagorean Theorem
- In a right triangle with legs of lengths of a and b and hypotenuses of length c. a2 + b2 =c2
- Volume
- A space contained by a three-dimensional figure. The volume of a rectangular solid id the product
- Additive identity
- 0
- Coordinate plane
- A plane in which every point can be identified by two numbers.
- Axes
- Two perpendicular number lines.
- Term
- Either a single number or a variable, or a product of numbers and variables.
- Instance
- An example of a pattern.
- Opposite
- In general, the opposite of any real number a is written -a.
- Image
- The final position of the figure.
- Open interval
- It does not include the end points.
- Evaluating
- Finding the numerical value of an expression.
- Interval
- A set of numbers between two numbers a and b, possibly including a, or b, or both a and b.
- Y coordinates
- The second coordinate.
- Formula
- An equation in which one variable is given in terms of other variables or numbers.
- X coordinates
- The first coordinate of any point.
- x-axis
- The horizontal axis.
- Permutations
- Am ordered arrangement of letters, names, or objects.
- Continuous graph
- A graph displaying points as ordered pairs of numbers.
- Range
- The diffrence obtained when the set's minimum value is selected from its maximum value.
- Counter example
- An instance that shows that a pattern is not true.
- Adding like terms
- Adding the coefficient can preform the simplification.