27 terms

8th Grade Math Vocabulary

Adjacent angles
angles that share a vertex and a side but have no interior points in common.
the numerical factor in any term of polynomial
in a polynomial, a term that does not contain a variable is a constant
Distance formula
the set of the first coordinates
an equation that shows the relationship between two or more quantities
in a right triangle, it is the longest side which is opposite the right angle
Lateral area
the sum of the areas of the lateral surfaces of a solid.
Legs of a right triangle
the two sides that form the right angle
Linear equation
an equation where all of its solutions lie on a line
Linear inequality
an inequality that can be written y<mx+b with these symbols < > < >
Pythagorean Theorem
in any right triangle, the sum of the squares of the lengths of the legs is equal to the square of the length of the hypotenuse
Range of a function
all y values are out put variables
Rational number
any number written as a quotient of two integers where the denominator is not zero.
Scatter plot
a graph that displays two sets of data as ordered pairs
Scientific notation
the first function is greater than or equal to 1 and less than 10, and the second factor is a power of 10
Slope intercept form
an equation written in the form y=mx+b is in slope-intercept form. The graph is a line with slope m and y-intercept b.
the slant of a line that describes steepness.
three dimensional figures are objects that do not lie in a plane. They have length width and height
a solid with two parallel and congruent polygonal faces called bases. A prism is named for the shape of its base
figure that has exactly one circular base and one vertex
a figure that has two bases that are parallel
a solid with triangular faces that meet at a vertex
Standard form
a number written using digits and place value is in standard form
Surface area
the sum of the areas of its surface
a number, a variable, or the product of a number and a variable
X-Y Intercepts
the x and y-coordinates of the point where a line crosses the x or y-axis.