Mathematics: Select the property of equality used to arrive at the conclusion If x= 3, then x2 = 3x

Select the property of equality used to arrive at

dondre54

21.01.2022

You used the fact that you can multiply both sides of an equality by the same, non-zero constant.

So, if you start with the trivial equality

x=x

you can multiply both sides by 3:

3x=3x

But if x=3 , becomes $3\cdot 3$ , which is 3^2 . So, we have

$3^2=3\cdot 3$

which leads to

x^2=3x

if you recall that x=3

0,0(0 оценок)

personm21

16.12.2020

C. (2,4), (-3,2)(2,1)(-7,2) is not a function.

Step-by-step explanation:

0,0(0 оценок)