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Chapter 10: Q 10.14 (page 1161)

Solve(r-3)2=25.

Short Answer

Expert verified

The solutions arer=-2,r=8.

Step by step solution

01

Given Information.   

The Given equation is(r-3)2=25.

02

 Use the square root property.   

r-3=卤25

Factor radical.

r-3=卤5脳5

r-3=卤5

Isolate the term.

r=3卤5

03

Rewrite to show two solutions. 

r=3+5=8r=3-5=-2

Thus, the solutions arer=-2,r=8.

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