Answer:
C. It represents the product of two rational numbers and its equivalent to a rational number.
Step-by-step explanation:
5 is a natural number, a real number and a rational number.
is a real number and a rational number.
The product of 5 × = 1.25 which is also a rational number in addition to being a real number.
Answer:
Substitution property of equality
Step-by-step explanation:
Given
and
Then
Required
State the property
From the list of options, (d) answers the question.
This is so because:
Substitution property of equality states that
If then
In other words, both can replace one another.
So if , then 2y + 1 can be substituted for x in
So:
becomes
<em>Hence, it is substitution property of equality</em>
