Midterm Vocab

Question 1

X-axis

Answer 1

the horizontal number lin eon the coordinate grid

Question 2

Y-axis

Answer 2

the vertical number line on the coordinate grid

Question 3

origin

Answer 3

the point where the x-axis and the y-axis cross

Question 4

quadrant

Answer 4

the four regions on the coordinate grid

Question 5

coordinates are values in a…

Answer 5

ordered pair

Question 6

Vertex

Answer 6

a point where two sides of a figure meet

Question 7

the plural of vertex is

Answer 7

vertices

Question 8

the movement of a geometric figure is called a

Answer 8

transformation

Question 9

translation

Answer 9

a slide along a straight line

Question 10

reflection

Answer 10

a mirror image

Question 11

a turn about a fixed point is called a

Answer 11

rotation

Question 12

to approximate an answer is to

Answer 12

estimate

Question 13

Overestimating is when

Answer 13

the estimate is larger than the actual answer

Question 14

Underestimating is when

Answer 14

estimating a number that’s smaller than the actual answer

Question 15

How does adding a zero after the decimal point change the value? For example, 2.3 and 2.30

Answer 15

It does not change the value. 2.3 is worth the same amount as 2.30

Question 16

What does the symbol ~ mean?

Answer 16

Approximately

Question 17

What is the order of operations?

Answer 17

BEDMAS
(Brackets)
(Exponents)
(Division)
(Multiplication)
(Addition)
(Subtraction)

Question 18

Another word for brackets is

Answer 18

parentheses

Question 19

lines in the same plane that never cross or intersect are considered

Answer 19

parallel

Question 20

Lines that intersect at 90 degrees are called

Answer 20

perpendicular

Question 21

How are perpendicular lines marked?

Answer 21

with a square in the corner

Question 22

a line that divides a line segment in half and is at right angles

Answer 22

a perpendicular bisector

Question 23

an angle that is less than 90 degrees is called an

Answer 23

acute angle

Question 24

the line that divides an angle into two equal parts

Answer 24

angle bisector

Question 25

an angle that is greater than 90 degrees is called

Answer 25

obtuse

Question 26

a side of a two dimensional closed figure is called the

Answer 26

base

Question 27

the perpendicular distance from the base to the oppositte side

Answer 27

height

Question 28

'h' is the symbol for

Answer 28

height

Question 29

what does percent mean?

Answer 29

out of 100

Question 30

a decimal number with a digit or group of digits that repeats forever is called a

Answer 30

repeating decimal

Question 31

a decimal number in which the digits stop

Answer 31

terminating decimal

Question 32

probability

Answer 32

the likelihood or chance of an event occuring

Question 33

the equation for probability is

Answer 33

favourable outcomes / possible outcomes

Question 34

outcome

Answer 34

one possibility result of a probability experiment

Question 35

favourable outcome

Answer 35

a successful result in a probability experiment

Question 36

sample space

Answer 36

all possible outcomes of an experiment

Question 37

tree diagrams are used to

Answer 37

organize outcomes

Question 38

random

Answer 38

an event in which every outcome has an equal chance of occuring

Question 39

experimental probability

Answer 39

the probability of an event occuring based on experimental results

Question 40

the expected probability of an event occurring is called the

Answer 40

theoretical probability

Question 41

quotient

Answer 41

the result of a division question

Question 42

common factor

Answer 42

a number that two or more numbers are divisible by

Question 43

what is a common factor of 8 and 12?

Answer 43

4