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nasty-shy [4]
3 years ago
6

Evaluate aa when a equals -2. 1)-4 2)4 3)1/4 4)-1/4

Mathematics
2 answers:
olga_2 [115]3 years ago
7 0

For this case we have:

Let

a = -2

If we want the result of the product a * a, we have:

a * a = (- 2) (- 2)

The law of multiplication of signs states that:

- * - = +

- * + = -

+ * - = -

+ * + = +

Also,2 * 2 = 4

So, we have to evaluate a = -2, the product a * a is given by:

a * a = + 4

Answer:

Option 2


Sav [38]3 years ago
5 0
A= -2
aa= -2(-2)= 4
Hence, the correct answer is the second option, 4.
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