Set 3 Terms

Question 1

Arithmetic sequence

Answer 1

a sequence of numbers in which each term is obtained by adding a certain number to the previous term

Question 2

Direct proportion

Answer 2

a relationship between two variables such that their ratio is constant

Question 3

Vector

Answer 3

an arrow that has magnitude and direction

Question 4

Collinear

Answer 4

points that lie on the same line

Question 5

Quadratic equation

Answer 5

a quadratic function in which y = 0. Can be solved by factoring or by using the quadratic formula.

Question 6

Real number

Answer 6

any number that is not imaginary

Question 7

Line

Answer 7

extends infinitely in both directions

Question 8

Least common multiple

Answer 8

the smallest number that is a multiple of two given numbers

Question 9

Right angle

Answer 9

an angle measuring 90 degrees

Question 10

Parallel lines

Answer 10

lines within a single plane that, when extended infinitely, will never touch

Question 11

Slope

Answer 11

the rate of change of a line; change in y over change in x

Question 12

Quadratic function

Answer 12

an equation of the form y=ax^2+bx+c. It’s graph is a parabola.

Question 13

Average speed

Answer 13

The average speed of a trip is the total distance traveled divided by the total time elapsed.

Question 14

Slope-intercept form

Answer 14

a linear equation in the form y=mx+b, where m is the slope and b is the y-intercept

Question 15

Midpoint

Answer 15

a point halfway between two endpoints

Question 16

Number line

Answer 16

a one-dimensional graph

Question 17

Sequence

Answer 17

an ordered group of numbers

Question 18

Surface area

Answer 18

the sum of the areas of the faces of a three-dimensional solid

Question 19

Magnitude

Answer 19

the length of a vector

Question 20

Average

Answer 20

the sum of a list of values divided by the number of terms

Question 21

Imaginary number

Answer 21

a multiple of i, which is equal to √(-1)

Question 22

System of equations

Answer 22

a group of two or more equations with two or more variables

Question 23

Line segment

Answer 23

a part of a line that is bounded by two endpoints and has a finite length

Question 24

Polynomial

Answer 24

an expression composed of the sum or difference of multiple terms of a coefficient and one or more variables raised to different powers

Question 25

Plane

Answer 25

a flat two-dimensional surface that extends infinitely in all directions

Question 26

Irrational number

Answer 26

a number that cannot be expressed as a fraction or ration of two integers. Examples include pi and √2.

Question 27

Circle graph

Answer 27

also called a “pie chart”. A graph which represents percentages as slices of a circle.

Question 28

Asymptote

Answer 28

a line which a graph approaches but doesn’t ever reach

Question 29

Geometric sequence

Answer 29

a sequence of numbers in which each term is obtained by multiplying a certain number to the previous term

Question 30

Series

Answer 30

a sequence that you take the sum of