Question

Activity 1.1: What Satisfies Me?
Directions: Find the solution/s of the following mathematical sentences. Describe
these mathematical sentences. .
1. b + 3 < 10
4. p2 + 6r - 7 = 0
5. 2m2 = 50
2.40 - 5 > 19
3. 13 - 7m > -1
6. n? - 7n = -10
TIL AT​

Answer 1

Given : 1. b + 3 < 10

3. 13 - 7m > -1

4. p² + 6p - 7 = 0

5. 2m² = 50

6. n² - 7n = -10

To Find : Solve

Solution:

b + 3 < 10

=> b < 7

13 - 7m > -1

=>  -7m > - 14

=> - m > - 2

=> m < 2

p² + 6p - 7 = 0

=> p² + 7p - p - 7 = 0

=> p(p + 7) - 1(p + 7) = 0

=> (p - 1)(p + 7) = 0

2m² = 50

=> m² = 25

=> m = ± 5

n² - 7n = -10

=> n² - 7n + 10 = 0

=> n² - 2n - 5n + 10 = 0

=> n(n - 2) - 5(n - 2) = 0

=> (n - 5)(n - 2) = 0

=> n = 5 , n = 2

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