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8th Math Vocab Practice 2/16

Total questions: 80

Worksheet time: 1hrs 20mins

Name
Class
Date
1.

The deviation of a data value indicates how far that data value is from the mean. The absolute value of each deviation is called the (a)   .

2.

(a)   are angles formed when a transversal intersects two other lines.

These angle pairs are on opposite sides of the transversal

and are outside the other two lines.

3.

(a)   are angles formed when a transversal intersects two other lines. These angle pairs are on opposite sides of the transversal

and are between the other two lines.

4.

The Angle-Angle Similarity Theorem states that if two angles of one triangle are congruent to the corresponding angles of another triangle, then the triangles are similar.

(a)  

5.

A pattern or relationship identified in a scatterplot of a two-variable data set is called an (a)   .

6.

(a)   is used to indicate the digits that repeat in a repeating decimal.

7.

When you collect information about two separate characteristics for the same person, thing, or event, you have collected ______________________.

When you look for a relationship in ______________________,

often you are interested in whether one variable causes a change in the other variable.

(a)  

8.

When one line represents the cost of an item and the other line represents the income from selling the item, the point of intersection is called the (a)   .

9.

A (a)   is a service provided by credit card companies that allows their customers to take out money directly from a bank or ATM.

Consumers should be cautious of cash advances from credit cards, a percentage is immediately added to the loan and a high interest rate is applied.

10.

A (a)   is the data collected from every member of a population.

11.

The point from which a dilation is generated is called the (a)   .

12.

The _________________ is the point around which a figure is rotated.

The ________________ can be a point on the figure, inside the figure, or outside the figure.

(a)  

13.

The given point from which the set of all points in three dimensions are the same distance is the (a)   .

14.

In the expression a ×10na\ \times10^n , the variable n is called the (a)   .

15.

A set of numbers is said to be (a)   under an operation if the result of the operation on two numbers in the set is a defined value also in the set.

16.

(a)   are points that lie in the same straight line.

17.

(a)   is a percentage that is paid on the principal and interest after each time period. The formula for compound interest is B=P0(1+r)tB=P_0\left(1+r\right)^t ,

where B is the account balance, or total value of the account,

P0P_0 is the original amount invested, or principal,

r is the interest rate,

and t is the time invested in years.

18.

A (a)   is a three-dimensional object with a circular or oval base and one vertex.

19.

(a)   are angles that are equal in measure.

20.

Figures that have the same size and shape are (a)   .

If two figures are congruent, all corresponding sides

and all corresponding angles have the same measure.

21.

(a)   are line segments that have the same length.

22.

Systems that have one or an infinite number of solutions are called (a)   .

23.

When the y-value of a function does not change, or remains constant, the function is called a (a)   .

24.

When a function is constant for some values of the independent variable, it is said to have a (a)   .

25.

In a proportional relationship, the ratio of all y-values to their corresponding x-values is constant. This specific ratio, y / x, is called the __________________.

Generally, the variable k is used to represent the __________________.

(a)  

26.

A (a)   graph is a graph with no breaks in it.

27.

The (a)   of a theorem is created when the if-then parts of that theorem are exchanged.

28.

The (a)   states that if the sum of the squares of the two shorter sides of a triangle equals the square of the longest side, then the triangle is a right triangle.

29.

(a)   are angles that have the same relative positions in geometric figures.

30.

(a)   are sides that have the same relative positions in geometric figures.

31.

A (a)   is a three-dimensional object with two parallel, congruent circular bases.

32.

When information is collected, the facts or numbers gathered are called (a)   .

33.

When the value of a dependent variable decreases as the independent variable increases, the function is called a (a)   .

34.

A (a)   is a period of time, usually up to two years, in which students delay paying the principal and interest on their loan.

35.

The __________ of a data value indicates how far that data value is from the mean. To calculate the _________, subtract the mean from the data value: __________ = data value - mean.

(a)  

36.

In a three-dimensional figure, a (a)   is a line segment connecting any two non-adjacent vertices

37.

A segment drawn between two points on the sphere that passes through the center of the sphere is a (a)   .

38.

A (a)   is a transformation that produces a figure that is the same shape as the original figure, but not necessarily the same size.

39.

A (a)   graph is a graph of isolated points.

40.

The (a)   of a function is the set of all inputs of the function.

41.

An (a)   is a set of three periods which stands for "and so on."

42.

When the scale factor is greater than 1, the image is called an (a)   .

43.

The independent variable can also be called the (a)   .

44.

An (a)   is an angle between a side of a polygon and the extension of its adjacent side.

45.

The (a)   states that the measure of the exterior angle of a triangle is equal to the sum of the measures of the two remote interior angles of the triangle.

46.

(a)   is predicting values that fall outside the plotted values on a scatterplot.

47.

_________________ are the values determined by subtracting consecutive y-values in a table when the x-values are consecutive integers.

When the ________________ are equal, the points represented by the ordered pairs in the table will form a straight line.

(a)  

48.

A (a)   maps each input to one and only one output.

49.

A (a)   is the circumference of the sphere at the sphere’s widest part.

50.

The (a)   is the length of a line segment drawn from the vertex to the base of the cone. In a right cone, this line segment is perpendicular to the base.

51.

The (a)   is the length of a line segment drawn from one base to the other base, perpendicular to both bases.

52.

The side opposite the right angle in a right triangle is called the (a)   .

53.

The new figure created from a transformation is called the (a)   .

54.

Systems that have no solution are called (a)   .

55.

When both values of a function increase together, the function is called an (a)   .

56.

The first coordinate of an ordered pair in a relation is the (a)   .

57.

(a)   are the set of whole numbers and their additive inverses.

58.

(a)   is predicting values that fall within the plotted values on a scatterplot.

59.

When a function is decreasing for some values of the independent variable, it is said to have an (a)   .

60.

When a function is increasing for some values of the independent variable, it is said to have an (a)   .

61.

Numbers that cannot be written as fractions in the form ab\frac{a}{b} , where a and b are integers and b is not equal to 0 are (a)   .

62.

A _________of a right triangle is either of the two shorter sides. Together, the two ______ form the right angle of a right triangle.

(a)  

63.

A (a)   is a line that is as close to as many points as possible in a scatterplot, but doesn’t have to go through all of the points.

64.

A (a)   is a line that acts as a mirror so that corresponding points are the same distance from the line.

65.

A (a)   occurs when the points on the scatterplot are arranged in such a way that, as you look at the graph from left to right, you can imagine a line going through the scatterplot with most of the points being close to the line.

66.

A function whose graph is a straight line is a (a)   .

67.

In the expression a×10na\times10^n , the variable a is called the _________. In scientific notation, the __________is greater than or equal to 1 and less than 10.

(a)  

68.

A (a)   represents two sets of objects or items. Arrows connect the items to represent a relationship between them.

69.

The (a)   (MAD) is the mean of the absolute deviations, or the average of the absolute values of the differences between each data value and the mean in a data set.

70.

When you use a line of best fit, the line and its equation are often referred to as a (a)   of the data, or a trend line. (See trend line.)

71.

The set of (a)   consists of the numbers that you use to count objects: {1, 2, 3, 4, 5…}.

72.

The set of (a)   consists of the numbers that you use to count objects: {1, 2, 3, 4, 5…}.

73.

If the response variable decreases as the explanatory variable increases, then the two variables have a (a)   .

74.

A (a)   graph is a graph that is not a line and therefore not a series of collinear points.

75.

An (a)   is an internet-based application that quickly performs calculations for the user.

76.

The (a)   is an estimate of size expressed as a power of ten.

77.

An (a)   for bivariate data is a point that varies greatly from the overall pattern of the data.

78.

The second coordinate of an ordered pair in a relation is the (a)   .

79.

When data are gathered from a population, the characteristic used to describe the population is called a (a)   .

80.

A ______ is a flat surface. It has infinite length and width, but no depth.

A ______ extends infinitely in all directions in two dimensions.

_____ are determined by three points, but are usually named using one uppercase letter.

(a)