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Algebra
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Gravity
Vocabulary cards for algebra.
Terms in this set (50)
Absolute Value
The distance a number is from zero on a number line
Absolute Value Equation
A V-shaped graph that points upward of downward
Additive Inverse
The opposite of a number. Additive inverses sum to 0.
Algebraic Expression
A mathematical phrase the can include numbers, variables, and operation symbols.
Arithmetic Sequence
A number sequence formed by adding a fixed number to each previous term.
Base
A number that is multiplied repeatedly.
Binomial
A polynomial of two terms.
Coefficient
The numerical factor when a term has a variable.
Common Difference
The fixed number added to each term of an arithmetic sequence.
Common Ratio
The fixed number used to find terms in a geometric sequence.
Complement of an Event
The fixed number used to find terms in a geometric sequence.
Completing the Square
A method solving quadratic equations.
Compound Inequalities
Two inequalities that are joined by AND or OR.
Compound Interest
Interest paid on both the principal and the interest that has already been paid.
Conclusion
In a conditional, following THEN in an if-then statement.
Conditional
An if-then statement.
Conjecture
Conclusion reached by inductive reasoning.
Correlation Coefficient
A number that tells how closley the equation of best fit models the data.
Counterexample
Any example that proves a statement false.
Cross Products
A cross product of two fractions is the product of the numerator of one fraction with the denominator of the other fraction.
Decay Factor
The constant factor that each value in an exponential decay pattern is multiplied by to get the next value. The decay factor is the base in an exponential decay equation.
Deductive Reasoning
A process of reasoning logically from given fact to a conclusion.
Degree of a Monomial
The sum of the exponents of the variables of a monomial.
Degree of a Polynomial
The degree of the term with the greatest exponent for a polynomial in one variable.
Degree of a Vertex
The number of edges that meet at a vertex.
Dependent Events
Two events in which the occurrence of one event affects the probability of the second event.
Dependent Variable
A variable that provides the output values of a function.
Difference of Squares
a² -b² = (a+b)(a-b)
Dilation
A transformation in which a figure and its image are similar.
Direct Variation
an equation of the form y=kx, where k does not equal 0
Discrete Data
Data that involves a count of items.
Distance Formula
d = √[( x₂ - x₁)² + (y₂ - y₁)²]
Distributive Property
a(b+c)=ab+ac
Domain (of a function)
The possible values for the input, the independent variable, of a function.
Element
An item in a matrix.
Elimination Method
A method for solving a system of linear equations. You add or subtract the equations to eliminate a variable.
Equation
A mathematical sentence that uses an equal sign.
Equivalent Equations
Equations that have the same solutions.
Equivalent Inequalities
Equivalent Inequalities have the same solution.
Evaluate
Substitue a given number for each variable, then simplify.
Event
Any group of outcomes in a situation involving probability.
Experimental Probability
The ratio of the number of times an event actually happens to the number of times the experiment is done.
Exponent
A number that shows repeated multiplication.
Factor by Grouping
A method of factoring that uses the distributive property to remove a common binomial factor of two pairs of terms.
Function
A relation that assign exactly one value in the range to each value of the domain.
Function Notation
To write a function notation, you use the symbol f(x) in place of y.
Function Rule
An equation that describes a function.
Geometric Sequence
A number sequence formed by multiplying a term in a sequence by a fixed number to find the next term.
Greatest Possible Error
One half of the measuring unit, for any measurement.
Identify
An equation that is true for every value.
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