Circles
Equations of Circles
Lines Lines Lines
Partitions
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100

What is the radius and center of the circle with the equation x^2+8x+16 + y^2 +10x+25 = 100?

Center: (-4, -5)

Radius: 10

100

What is the center and radius of circle equation (x+2)^2+(y+4)^2=10^2?

Center: (-2, -4)

Radius: 10

100

Fill in the blank:

Parallel lines have _________slopes

Perpendicular lines have ___________ ____________

slopes.

-equal

-opposite reciprocal

100

Point A has coordinates (2,4) and point B has coordinates (8,1). What point partitions segment AB into a 2:1 ratio?

(6, 2)

100

Ms. Ortiz's favorite food?

Spaghetti

200

What is the radius and center of the circle with the equation x^2-10x+25 + y^2 -6x+9= 49?

Center: (5, 3)

Radius: 7

200

What is the equation of a circle with center (3, 4) and radius 5?

(x-3)^2 +(y-4)^2 = 5^2

200

What is the slope of a line parallel to the line with equation y = 2/3x+9?

m= 2/3

200

Given A (2,3) and B(6,3), what point partitions segment AB into a 1:4 ratio?

(2.8, 3)

200

Mr. Vargas' favorite food?

Chicken
300

What is the radius and center of the circle with the equation x^2-6x+ y^2 -20y+105= 0?

Center: (3, 10)

Radius: 2

300

What is the center and radius of the equation (x+4)^2 +(y+3)^2=81?

Center: (-4, -3)

Radius: 9

300

What is the slope of a line perpendicular to the line with equation y = 2/3x+9?

m= -3/2

300

Given A(2,3) and D(4,9), what point partitions AD into a 1:4 ratio?

(2.4, 4.2)

300

What sport does Mr. Vargas' son play?

Baseball

400

What is the radius and center of the circle with the equation x^2+ y^2 -2x +4y -4= 0?

Center: (1, -2)

Radius: 3

400
What is the equation of a circle with center (-3, 0) and radius 4?

(x+3)^2+y^2=16

400

Write an equation of a line parallel to y= 2/3x +9 that passes through point (3, 3).

y-3= 2/3(x-3)

400

Given A(2,3) and C(8,9), what point partitions segment AC into a 1:4 ratio?

(3.2, 4.2)

400

If Ms. Ortiz could go anywhere in the world right now where would she go?

Spain

500

x^2+y^2+12x+2y+12 = 0

Center: (-6, -1)

Radius: 5

500
What is the center and radius of x^2 + (y-3)^2=17

Center: (0, 3)

Radius: Square Root of 17

500

Write an equation perpendicular to the line y = 2/3x + 9 that passes through the point (-2, 0)

y= -3/2(x+2)

500

Given A(1,3) and C(6,9), find the point that partitions segment AC in a 1:2 ratio.

(8/3, 5)

500

What is Ms. Ortiz's favorite soccer team?

Chelsea


FC Barca