Define, enumerate, or whatever...
Define a chord.
A chord is a segment whose endpoints are points on the circle.
What is the center and the length of the radius of the circle with equation: x2 + y2 = 4
C: (0, 0), length of radius = 2
In 1986, a nuclear reactor exploded at a power plant about 110 kilometers north and 15 kilometers west of Kiev. At first, officials evacuated people within 30kilometers of the power plant. Write the standard equation to represent the boundary of the evacuated region if the origin of the coordinate system is at Kiev.
(x + 15)2 + (y - 110)2 = 900
Simplify (y + 2/3)2.
y2 + (4/3)y + 4/9
When is Nutrition Month in the Philippines?
July
True or False. In a circle, the radius is the longest chord.
False! Diameter is the longest chord!
What is the center and the length of the radius of the circle with the equation: (x + 1/4)2 + (y – 2/8)2 = 15
C: (-1/4, 2/8), length of radius = square root of 15
A circular field has an area of about 12π square kilometers. Write the general equation that represents the boundary of the field. Let (0, 0) represent the center of the field.
x2 + y2 - 12 = 0
Complete the square: x2 - 2x + ____.
x2 - 2x + 1
What macromolecule is the main source of energy for the body?
Carbohydrtaes/carbs
What is the length of the radius of a circle whose equation is (x + 3)2 + (y - 5)2 = 6?
square root of 6.
What is the standard equation of a circle whose diameter has endpoints (1,-4) and (-3,2).
(x + 1)2 + (y + 1)2 = 13
The signals of a radio station can be received up to 65 miles away. Your house is 35 miles east and 56 miles south of the radio station. Can you receive the radio station’s signals?
Naur.
Factor completely: 2y2 + 32y + 128.
2(y + 8)2 or 2(y + 8)(y + 8)
What nutrient is important for bone health and found in milk?
Calcium
What is the center of the circle whose general equation is given by 16x2 + 16y2 + 8x - 16y - 124 = 0
(-1/4, 1/2)
What is the general equation of a circle has center at (-3, 4) and one point on the circle at (0,3).
x2 + y2 + 6x -8y + 15 = 0
The tower of a particular network is designed to service a 12 km radius. If the tower is located at (-3,-5) on a coordinate plane, are the users at (8,-2) within the service range?
Yiz.
Factor: x2 - (2/3)x + 1/9
(x - 1/3)2 or (x - 1/3)(x - 1/3)
Who is widely recognized as the "Father of Nutrition" in the Philippines?
Dr. Juan Salcedo Jr.
What is the area of the circle whose equation is given by the equation x2 + y² + 12x + 2y – 12 = 0
49 square unit
Write the general equation of a circle whose center is at (4,3) and tangent line to the line 2x + 3y – 2 = 0 .
x2 + y2 -8x - 6y + 100/13 = 0
A tower can detect ships up to 25 miles away. Suppose a ship is 26 miles west and 14 miles north of the control tower and is traveling due east at a speed of 2 miles per hour. After how many hours will the ship appear on the control tower’s radar?
t = 2.65 hours
What value/s of x will make the equation true:
2x2 - 8x = -6
x = 3, x = 1
What presidential decree established Nutrition Month in the Philippines which is also known as "Nutrition Act of the Philippines"
Presidential Decree No. 491 of 1974.