Circles Delta Math Review

Solve for x.

• 2

• 3

• 4

• 12

Solve for x.

• A

• B

• C

• D

• 9
• 10
• 15
• 14

• 16
• 19
• 21
• 25

• 9(9+x)=
  8(8+19)
• x(x+9)=
  19(19+8)

Solve for x.

• 5
• 8.66
• 10
• 20

• 5
• 7
• 6
• 8

How would you set up the equation to solve for x?

• 4x-9 = 15

• 4x-9 = 15²

• 15² = (4x-9)²

What is the definition of a tangent?

• A line that intersects the circle on two points.

• A line that passes through the center of the circle.

• A line segment that passes through the center of the circle.

• A line that intersects the circle on only one point.

A line segment connecting any two points on a circle is called a _____________.

• diameter

• chord

• radius

• Secant