Set 4 Terms

Question 1

Coordinate plane

Answer 1

a grid that maps points according to two variables, x and y

Question 2

Polygon

Answer 2

any closed two-dimensional figure made up of line segments

Question 3

Edge

Answer 3

a line segment where two faces of a three-dimensional solid touch

Question 4

Range

Answer 4

all possible y-values of a function. The set of all outputs for a given set of inputs.

Question 5

Cosine

Answer 5

a trig function equivalent to the ratio of the leg adjacent to an angle over the hypotenuse

Question 6

Secant

Answer 6

a trig function equivalent to the ratio of the hypotenuse over the leg adjacent to the angle

Question 7

Rhombus

Answer 7

any quadrilateral in which all four sides are equal

Question 8

Quadrilateral

Answer 8

a polygon with four sides

Question 9

Complementary angles

Answer 9

angles that form a right angle together. Complementary angles add up to 90 degrees.

Question 10

Supplementary angles

Answer 10

two angles that make a straight line. Add up to 180 degrees.

Question 11

Radian

Answer 11

a unit of measuring angles. A full circle is 2 pi radians.

Question 12

Sine

Answer 12

a trig function equivalent to the ratio of the leg opposite an angle over the hypotenuse

Question 13

Cotangent

Answer 13

a trig function equivalent to the ratio of the leg adjacent to an angle over the leg opposite the angle

Question 14

Standard deviation

Answer 14

a calculation showing how spread out from the mean a list of values is

Question 15

Regular polygon

Answer 15

a polygon in which all sides and angles are equal

Question 16

Similar triangles

Answer 16

triangles with corresponding sides in the same ratio

Question 17

Interior angle

Answer 17

an angle inside a polygon formed by adjacent sides of the polygon

Question 18

Tangent line

Answer 18

a line that touches a curve at exactly one point

Question 19

Tangent

Answer 19

a trig function equivalent to the ratio of the leg opposite an angle over the leg adjacent to the angle

Question 20

Vertex

Answer 20

a corner of a polygon, where two sides meet. Also the maximum or minimum of a parabola.

Question 21

Ellipse

Answer 21

the set of all points such that the sum of the distance from a point on the ellipse to two points is a constant. It looks like a circle that has been squashed a little in the middle.

Question 22

Trapezoid

Answer 22

a quadrilateral with exactly one set of parallel lines

Question 23

Exterior angle

Answer 23

an angle that is supplementary to an interior angle of a polygon

Question 24

Matrix

Answer 24

a way to organize a group of numbers in rows and columns

Question 25

Linear function

Answer 25

a function whose graph makes a straight line

Question 26

Cosecant

Answer 26

a trig function equivalent to the ratio of the hypotenuse over the leg opposite the angle; the reciprocal of the sine function.

Question 27

Isosceles triangle

Answer 27

a triangle in which exactly two sides are equal. The two angles opposite the equal sides are also equal.

Question 28

Isosceles trapezoid

Answer 28

a trapezoid in which the two non-parallel sides are equal

Question 29

Logarithm

Answer 29

a way to solve equations with variables in exponents.