Circles
What is a radius?
It is a segment that starts in the center of a circle and extends to the circumference.
What is the constant of proportionality?
What kind of graph does a proportional relationship make?
A line
1/2 + 1/4
What is 3/4?
What are operations in math?
Add, subtract, multiply, divide
What is the equation for circumference?
C=d*pi
What is circumference?
It is the "perimeter" of a circle. It is the measurement around the circle
Where does a proportional relationship start on a graph?
(0,0)
1/3 * 15
What is 5?
The only number in the English language that is spelled with the same number of letters as the number itself.
Four
What is the equation for area of a circle?
A=r^2*pi
What is the unit rate?
It is the amount per one item- EX: price per item
What is the constant of proportionality?
x y
2 6
4 12
6 18
3
1/4 * 3/7
What is 3/28?
Every odd number has what letter in it?
If a circle has a radius of 4, find the circumference.
About 25.13 units
What is a diameter?
It is two radii. It has endpoints on the circumference of the circle and it goes through the center.
If the constant of proportionality is 4, write the equation for the situation.
y=4x
1/3 divided by 1/5
What is 5/3?
What is 5 cubed?
125
About 153.86 units squared
What is a chord?
A segment that has endpoints on the circumference of a circle. It does not have to go through the center of the circle, but it can.
1/4
2/5 divided by 3/8
What is 16/15?
The distance from zero on a number line.
What is absolute value?