d. Which Mathematical sentence has only one solution? More than one or
Describe these Mathematical sentences
Answers
Answer:
question hi glt h
Step-by-step explanation:
question pura na
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Given : 1. b + 3 < 10
3. 13 - 7m > -1
4. p² + 6p - 7 = 0
5. 2m² = 50
6. n² - 7n = -10
To Find : Which has only one solution or more than one
Solution:
b + 3 < 10
=> b < 7
more than one
13 - 7m > -1
=> -7m > - 14
=> - m > - 2
=> m < 2
more than one
p² + 6p - 7 = 0
=> p² + 7p - p - 7 = 0
=> p(p + 7) - 1(p + 7) = 0
=> (p - 1)(p + 7) = 0
=> p = 1 , - 7
two , more than one
2m² = 50
=> m² = 25
=> m = ± 5
two , more than one
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
two , more than one
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