Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
87 Cards in this Set
- Front
- Back
Adjacent Angle(s) |
Angles that share a common vertex, a common side, and do not overlap. |
|
Angle |
A figure formed by two rays (called sides) that have a common endpoint (called a vertex). |
|
Angle-Angle Criterion |
If two angles in one triangle are congruent to two angles in another triangle, then the triangles are similar. |
|
Area |
The number of square units included within a set of lines. |
|
Base |
The number in a power that is repeatedly multiplied as the factor. |
|
Cluster |
When data seems to be "gathered" around a particular value. |
|
Coefficient |
The numerical factor of a term that contains a variable. |
|
Cone |
A three-dimensional figure with one circular base connected by a curved surface to a single vertex. |
|
Constant |
A term without a variable. |
|
Coordinate Plane |
A grid with two numbered axes (x-axis and y-axis) that is used to locate points. |
|
Complementary Angles |
Two angles whose sum is 90 degrees. |
|
Congruent |
Two shapes are congruent if they are the same shape and size. |
|
Cube Root |
The cube root of a number is a special value that, when used in a multiplication three times, gives that number. Example: 3 × 3 × 3 = 27, so the cube root of 27 is 3. |
|
Cylinder |
A solid object with two identical flat ends that are circular or elliptical and one curved side.
|
|
Data |
Data is a collection of facts, such as numbers, words, measurements, observations or even just descriptions of things. |
|
Decimal Notation |
A representation of a fraction or other real number consisting of any of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, and a decimal point. |
|
Decreasing
|
The y-value decreases as the x-value increases |
|
Diameter |
A straight line going through the center of a circle connecting two points on the circumference. |
|
Dilate/Dilation |
To resize something, making it either larger or smaller. |
|
Exponent |
The exponent of a number says how many times to use that number in a multiplication. |
|
Exterior Angle |
An angle formed outside a polygon by one side and an extension of an adjacent side. |
|
Frequency |
How often something happens (usually during a period of time). |
|
Function |
A function relates an input to an output. |
|
Hypotenuse |
The side opposite the right angle in a right-angled triangle. It is also the longest side of the right-angled triangle
|
|
Increasing |
A function is "increasing" when the y-value increases as the x-value increases |
|
Initial Value |
The output value of a function when the input value is 0. |
|
Interior Angle |
An angle inside a shape. |
|
Intersection |
Where lines cross over (have a common point).
|
|
Interval |
All the numbers between two given numbers.
|
|
Irrational Number |
A real number that cannot be written as a simple fraction.
|
|
Leg |
The two sides of a triangle that meet to form the right angle. |
|
Line of Best Fit |
A line on a graph showing the general direction that a group of points seem to follow.
|
|
Line Segment |
The part of a line that connects two points. It has definite end points. |
|
Linear |
To fall in a straight line. |
|
Linear Equation |
An equation with a graph that is a straight line. |
|
Linear Association |
A relationship that, when plotted, forms a line. |
|
Linear Extrapolation |
Helps to estimate values that are either higher or lower than the data set. |
|
Negative Association |
A linear association where one variable increases as the other decreases. |
|
Nonlinear Function |
A function whose rate of change is not constant. The graph of this is not a straight line. |
|
Ordered Pair |
A pair of numbers used to locate a point in the coordinate plane. The ordered pair is written: (x-coord, y-coord). |
|
Origin |
The point of intersection of the x-axis and y-axis in a coordinate plane. |
|
Parallel |
Lines in the same plane that never intersect or cross. The symbol "ll" means parallel. |
|
Perfect Cube |
A rational number whose cube root is a whole number. 27 is a perfect cube because its cube root is 3. |
|
Perfect Square |
A rational number whose square root is a whole number. 16 is a perfect square because its square root is 16. |
|
Pi |
The ratio of the circumference of a circle to its diameter. We use 3.14 or 22/7. |
|
Positive Association |
A linear association where both variables increase. |
|
Power |
A product of repeated factors using an exponent and a base. The power is read five to the second power, or five squared. |
|
Proportional Relationship |
A relationship between two equal ratios. |
|
Pythagorean Theorem |
In a right triangle, the square of the length of the hypotenuse c is equal to the sum of the square of the lengths of the legs a and b. |
|
Radical |
The symbol used to indicate a positive square root. |
|
Radius |
The distance from the center of a circle to any point on the circle. |
|
Rate of Change |
The ratio of the change in y to the change in x. |
|
Rational Number |
Numbers that can be written as fractions. |
|
Reflection |
A transformation in which a figure is flipped over a line. |
|
Relation |
Any set of ordered pairs. |
|
Relative Frequency |
The ratio of the number of experimental successes to the total number of experimental attempts. |
|
Repeating Decimal |
The decimal form of a rational number. It has a repeating pattern. |
|
Right Triangle |
A triangle with one right angle. |
|
Rotation |
A transformation in which a figure is turned about a fixed point. |
|
Scale |
The ratio of the size of the model to the actual size of the object. |
|
Scale Factor |
The ratio of the lengths of two corresponding sides of two similar polygons. |
|
Scatter Plot |
A graph that shows the relationship between a data set with two variables graphed as ordered pairs on a coordinate plane. |
|
Scientific Notation |
A compact way of writing numbers with absolute values that are very large or small. |
|
Similar |
If one image can be obtained from another by a sequence of transformations and dilations (same shape, different size). |
|
Similar Triangles |
Triangles that have the same shape but are different sizes. |
|
Slope |
The rate of change between any two points on a line. The ratio of rise, or vertical change, to the run, or horizontal change. |
|
Solution |
A value for a variable that makes an equation true. |
|
Sphere |
The set of all points in space that are a given distance from a given point called the center. |
|
Square Root |
One of two equal factors of a number. The square root of 144 is 12 because 12 x 12 = 144. |
|
Supplementary Angles |
Two angles whose sum measures 180 degrees. |
|
Standard Form |
An equation written in the form Ax + By = C. |
|
System of Equations |
A set of two or more equations with the same variables. |
|
Terminating Decimal |
A repeating decimal where the repeating digit is zero. A decimal that ends |
|
Transformation |
An operation that maps a geometric figure, preimage, onto a new figure, image. |
|
Translation |
A transformation that slides a figure from one position to another without turning. |
|
Transversal |
A line that intersects two or more other lines. |
|
Trend Line |
A line on a graph showing the general direction that a group of points seem to be heading. |
|
Two-Way Relative Frequency Table |
A table that shows data that pertain to two different categories. |
|
Variable |
A symbol, usually a letter, used to represent a number in mathematical expressions or sentences. |
|
Vertical Angles |
Opposite angles formed by the intersections of two lines. Vertical angles are congruent. Angles a and b are congruent. |
|
Volume |
The measure of the space occupied by a solid. Standard measure are cubic units. |
|
x-axis |
The horizontal number line that helps to form the coordinate plane. |
|
x-coordinate
|
The first number of an ordered pair. |
|
x-intercept |
The x-coordinate of the point where the line crosses the x-axis. |
|
y-axis |
The vertical number line that helps to form the coordinate plane. |
|
y-coordinate |
The second number of an ordered pair. |
|
y-intercept |
The y-coordinate of the point where the line crosses the y-axis. |