Math 3 - Circles Practice

A circle has the equation  
x² + y² - 12x + 8y + 3 = 0.  Write the equation in standard form.

• (x - 6)² + (y + 4)² = 49
• (x + 4)² + (y - 6)² = 49
• (x - 6)² + (y + 4)² = 55
• x² + y² = 55

Tags

CCSS.HSG.GPE.A.1

What is the m∠HIJ?

• 108
• 216
• 54
• 60

Tags

CCSS.HSG.C.A.2

What is the m∠C?

• 50
• 25
• 100
• 55

Tags

CCSS.HSG.C.A.2

What is the measure of arc DC?

• 140
• 98
• 122
• 61

Tags

CCSS.HSG.C.A.2

What is the measure of angle 1?

• 130
• 65
• 44
• 86

Tags

CCSS.HSG.C.A.2

Find the area of the sector with the marked angle, in terms of pi

• 12pi ft²
• 1pi ft²
• 36pi ft²
• 6pi ft²

Tags

CCSS.HSG.C.B.5

Write the standard form of the circle: 
x² - 18x + y² + 4y + 21 = 0 

• (x - 9)²+ (y + 2)² = -10
• (x - 81)²+ (y + 4)² = 64
• (x - 9)²+ (y + 2)² = 64
• (x + 9)²+ (y - 2)² = 64

Tags

CCSS.HSG.GPE.A.1

Find the value of x.

• x = 17
• x = 16
• x = 29.67
• x = 18

Tags

CCSS.HSG.C.A.2

Find the measure of arc AB.

• 17
• 34
• 68
• 146

Tags

CCSS.HSG.C.A.2

Find the measure of angle ADB.

• 47.5
• 85
• 132.5
• 180

Tags

CCSS.HSG.C.A.2