## Introductory Algebra for College Students (7th Edition)

Published by Pearson

# Chapter 9 - Section 9.1 - Solving Quadratic Equations by the Square Root Property - Exercise Set - Page 633: 74

7 inches

#### Work Step by Step

Substitute the given area and solve for r. $A=\pi r^2$ Substitute the area for A. $49\pi=\pi r^2$ Divide both sides by $\pi$. $49\pi \div \pi=\pi r^2\div \pi$ Simplify. $49=r^2$ Take the square root of each side. $\sqrt{49}=\sqrt{r^2}$ Simplify. $7=r$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
{"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/math/codecogs": 0, "mathtex.cgi": 0, "katex": 0, "math-container": 0, "wp-katex-eq": 0, "align": 0, "equation": 0, "x-ck12": 0, "texerror": 0, "url": "https://www.gradesaver.com/textbooks/math/algebra/introductory-algebra-for-college-students-7th-edition/chapter-9-section-9-1-solving-quadratic-equations-by-the-square-root-property-exercise-set-page-633/74", "fetch_time": 1571140847000000000, "content_mime_type": "text/html", "warc_filename": "crawl-data/CC-MAIN-2019-43/segments/1570986658566.9/warc/CC-MAIN-20191015104838-20191015132338-00064.warc.gz", "warc_record_offset": 910550766, "warc_record_length": 12297, "token_count": 187, "char_count": 643, "score": 4.21875, "int_score": 4, "crawl": "CC-MAIN-2019-43", "snapshot_type": "latest", "language": "en", "language_score": 0.7867956757545471, "file_path": "/sailhome/yjruan/project/latent-lm/data/processed/finemath-4plus/finemath-4plus/train-00003-of-00064.parquet"}