Basic Terms I
The name of the two perpendicular number lines that form the Cartesian plane.
x-axis and y-axis
The points A(1,2)and B(5,2) are the ends of a horizontal segment. What is its length?
4 units
This is the side of the angle that rotates from the x-axis.
Find the reference angle of a 200∘ angle.
20∘
This is the sum of the measures of the four interior angles of a quadrilateral.
360∘
This is the name of the point where the x-axis and y-axis meet.
origin
Find the coordinates of the midpoint of a segment joining C(−2,3) and D(4,7).
(1,5)
When can we say that an angle is in a standard position?
Initial side on the positive x-axis and vertex on the origin
Determine the quadrant where the terminal side of a −120∘ angle lies
Quadrant III
This is what happens if you divide any number by zero
Undefined
On which quadrant would a (+,-) coordinate be found.
Quadrant IV
Find the perimeter of a triangle with vertices at A(0,0),B(4,0),C(0,3).
12 units
This is the name of an angle that measures more than 0∘ but less than 90∘
Acute angle
An angle measures 1740∘. Determine which quadrant it lies on.
300∘
This number is the next known number that is both a square and a cube after 1
64
Find the digit in the units place of 32025
3
Find the remainder when 7222 is divided by 100.
49
How many zeros are at the end of 50!?
12
Solve for n: 1+2+3+⋯+n=210
20
x+(1/x)=3, find x2+(1/x2)
7
The other name we use for the x and y coordinates.
x for Abscissa and y for Ordinate
A circle has a diameter with endpoints at (–7, –4) and (5, 8). What is the radius?
6√ 2 units
Two angles measure 1200∘ and −1320∘. What is their relationship?
Coterminal Angles
An angle measures −810∘. Find its coterminal angle between 0∘ and 360∘.
270∘
If today is Monday, what day will it be after 22025 days?
Tuesday