9.1 Homework

University:
California State University, Northridge
Course:
BIOL 380 | Cell Biology
Academic year:

2021
Views:

0

Pages:

2
Author:

Leonardo Carrizales

Algebra 1 9.1 Homework Name: Leonardo Carrizales ID: 1 Date: 3/4/25 Period: 6/7 Instructions: Solve each equation by taking square roots. Round to the nearest thousandth place. Problems and Solutions: m² = 71 √m² = √71 m = 8.426 m = -8.426 ✓ n² = 26 √n² = √26 n = 5.099 n = -5.099 ✓ r² = 36 √r² = √36 r = 6 r = -6 ✓ x² = 80 √x² = √80 x = 8.944 x = -8.944 ✓ m² + 8 = 23 m² = 15 √m² = √15 m = 3.873 m = -3.873 ✓ k² - 8 = 8 k² = 16 √k² = √16 k = 4 k = -4 ✓ -2n² = -8 n² = 4 √n² = √4 n = 2 n = -2 ✓ k² + 4 = 8 k² = 4 √k² = √4 k = 2 k = -2 ✓ 3 - 4m² = -213 -4m² = -216 m² = 54 √m² = √54 m = 7.348 m = -7.348 ✓ 10m² - 10 = 0 10m² = 10 m² = 1 √m² = √1 m = 1 m = -1 ✓ 10b² + 2 = 292 -2 -2 10b² = 290 10 10 b² = 29 √b² = √29 b = 5.385 b = -5.385 ✓ 8n² + 8 = 48 -8 -8 8n² = 40 8 8 n² = 5 √n² = √5 n = 2.236 n = -2.236 ✓ 8 - 8x² = -108 -8 -8 -8x² = -116 √x² = x -116 / -8 = 14.5 ✓ x = √14.5 x = 3.808 x = -3.808 7n² - 10 = 515 +10 +10 7n² = 525 √n² = n 525 / 7 = 75 √75 = n = 8.66 n = -8.66 ✓ 7m² + 4 = 690 -4 -4 7m² = 686 7m² / 7 = 686 / 7 √m² = √98 m = 9.899 m = -9.899 ✓ 7k² - 2 = 173 +2 +2 7k² = 175 7 7 k² = 25 √k² = k √25 k = 5 k = -5 ✓ 2p² + 8 = 150 -8 -8 2p² = 142 2 2 √p² = √71 p = 8.426 p = -8.426 ✓ 16k² + 4 = 13 -4 -4 16k² = 9 16 16 k² = 9 / 16 = 0.5625 √k² = √0.5625 k = 0.75 k = -0.75 ✓

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