The number -15 represents in a negative integer
<h3>How to determine what -15 represents in integers?</h3>
The number is given as:
Number = -15
Integers are numbers that do not have decimal points
The categories of integers are:
- Positive integers (i.e. numbers greater than 0)
- Zero
- Negative integers (i.e. numbers less than 0)
The given number -15 is less than 0
Hence, the number -15 represents in a negative integer
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Evaluate (2 a + b)^2/(3 b - 1) where a = -2 and b = 5:
(2 a + b)^2/(3 b - 1) = (5 - 2×2)^2/(3×5 - 1)
3×5 = 15:
(5 - 2×2)^2/(15 - 1)
| 1 | 5
- | | 1
| 1 | 4:
(5 - 2×2)^2/14
2 (-2) = -4:
(-4 + 5)^2/14
5 - 4 = 1:
1^2/14
1^2 = 1:
Answer: 1/14
When adding fractions you need to get common denominators then you multiply too times bottom and then boom add and there you go
