Circles - Algebra Worksheet Page 4

Algebra 2

4.1 Notes

D. 9��

+ 9��

− 54�� − 72�� + 209 = 0

Solving a Real-World Problem Involving a Circle

Learning Target D: I can use a circle inequality to solve a real-world problem.

Write an inequality representing the given situation, and draw a circle to solve the problem.

Sasha delivers newspapers to subscribers that live within a 4-block radius of her house. Sasha’s

house is located at point (0, -1). Points A, B, C, D, and E represent the houses of some of the

subscribers to the newspaper. To which houses does Sasha deliver newspapers?

Reflect. What do the inequalities ( �� − ℎ )

+ ( �� − �� )

< ��

and ( �� − ℎ )

+ ( �� − �� )

> ��

represent?

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