6.2 Equations of Circles Practice
Authored by Jimmy Beard
Mathematics
8th Grade
Used 4+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which equation of a circle is centered at (-3, 2) and has a radius of 5?
(x + 3)2 + (y - 2)2 = 25
(x - 3)2 + (y + 2)2 = 5
(x + 3)2 + (y - 2)2 = 5
(x - 3)2 + (y + 2)2 = 25
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which graph corresponds to
(x+2)2+ (y-3)2=36
A
B
C
D
3.
DRAW QUESTION
15 mins • 1 pt
Plot the circles x² + y² = 4 and x² + y² = 1 on the same coordinate plane.
4.
MATCH QUESTION
15 mins • 1 pt
Match each equation to its description.
Circle centered at (0, -4) and radius 3
x² + (y + 4)² = 9
Circle centered at (1, 0) and radius 3
(x – 1)² + (y + 4)² = 9
Circle centered at (1, 4) and radius √3
(x – 1)² + (y – 4)² = 3
Circle centered at (1, -4) and radius 3
(x – 1)² + (y + 4)² = 3
Circle centered at (1, -4) and radius √3
(x – 1)² + y² = 9
5.
MATCH QUESTION
15 mins • 1 pt
Match each quadratic expression with an equivalent expression in factored form.
(x+7)(x-1)
x2+6x
x(x+6)
x2+6x+8
(x+1)(x+5)
x2+6x+5
(x+4)(x+2)
x2+6x+9
(x+3)(x+3)
x2+6x-7
6.
MATCH QUESTION
15 mins • 1 pt
Match the following
x2 - 4x + 4 =
(x - 8)2
(x -2)2
x2 + 8x + 16 =
(x + 2)2
x2 - 16x + 64 =
(x + 4)2
x2 + 4x + 4 =
7.
MATH RESPONSE QUESTION
15 mins • 1 pt
An equation of a circle is x2 - 8x + 16 + y2 + 10y + 25 = 81.
What is the radius of the circle?
Mathematical Equivalence
ON
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