Answer:
A. Integers
Step-by-step explanation:
Subtraction of whole or natural numbers can result in a negative number that is not in the set. Subtraction of irrational numbers can result in a rational number (√2 -√2 = 0, for example).
Answer:
Function A intercept: 4
Function B intercept: 3
Step-by-step explanation:
Answer:
A.(-5)(-9)
Step-by-step explanation:
A negative times a negative is always a positive.
Answer:
x=20
Step-by-step explanation:
we see that the connection between y and x is that y is always 1/2 as much as x.
Answer:
The first pair shows equivalent expressions.
Step-by-step explanation:
3(x+2), you would have to distribute 3 among x and 2, also known as expanding the expression. So you'd do 3*x + 3*2, which equals 3x+6
The first equation is 3(x+2)=3x+6
Therefore, the first pair shows equivalent expressions.