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8th grade vocabulary- End of year
Terms in this set (49)
A quadrilateral with two pairs of congruent, parallel sides and four right angles.
a three-dimensional shape with six rectangular sides
a number that cannot be written as a fraction
A number that can be written as a fraction
a number that is the square of an integer
a number that is the cube of an integer
a method of expressing a quantity as a number multiplied by 10 to the appropriate power
All whole numbers (both positive and negative) and zero.
rate of change
the relationship between two quantities that are changing, this is also slope
systems of equations
consists of two or more equations that have the same variables where each equation represents a line
A straight line passing from side to side through the center of a circle or sphere.
A straight line from the center to the circumference of a circle or sphere.
operations that undo each other
To change a mathematical expression into its most basic form
To find the value of an unknown in an equation.
To simplify/solve a mathematical expression/ equation by replacing all variables with given values.
A mathematical phrase without an equal sign.
A mathematical sentence that contains an equals sign.
terms that contain the same variables raised to the same power
number in front of a variable
A mathematical notation indicating the number of times a quantity is multiplied by itself.
The number that gets multiplied when using an exponent
the distance a number is from zero (distance is always positive)
an equation that states that two ratios are equal
a comparison of two quantities by division (a fraction)
any value for the variable would make the equation true
any value for the variable would make the equation not true
Two angles with a sum of 90 degrees
Two adjacent angles with a sum of 180 degrees
Two angles with a sum of 180 degrees
Two non-adjacent angles formed by intersecting lines.
A line that intersects or crosses two other lines
Angles that are on opposite sides of the transversal
Angles that are inside of the parallel lines
Angles that are outside of the parallel lines.
Figures with the same shape and size.
Lines with the same slope and therefor never touch.
having a common vertex and a share common side.
two angles on the same side of the transversal. One is exterior and one is interior. They are NOT adjacent.
Same- Side interior angles
between the two parallel lines AND on the same side of the transversal.
An angle that measures 90 degrees
An angle that measures less than 90 degrees
An angle that measure more than 90 degrees
and angle formed by a side and an extension on the adjacent side.
Remote interior angles
The two angles inside of a triangle that are not adjacent to the exterior angle.
Two figures that have the same shape but not same size
a triangle with two congruent sides
a triangle with no congruent sides
a triangle with three congruent sides
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