102k views
2 votes
Which change can be made to correct the chart?

The expression 3x3 should be 3x2.
The expression 6x should be 6xy.
The expression x2y should be x2y2.
The expression 4y should be 4y2.

User SuperCop
by
6.7k points

2 Answers

3 votes

Answer:

3x^3/x = 3x^(3-1) = 3x^2

6x*y = 6xy

x^2y *y = x^2y^(1+1) = x^2y^2

4y*y = 4y^2

Explanation:

This can be solved using law of Indices.

The expression 3x^3 should be 3x^2.

Here power of x is three while in output power of x is two hence we need to eliminate power of x by one for that we divide 3x^3 by x

Rule: x^a/x^b = x^(a-b)

3x^3/x = 3x^(3-1) = 3x^2 (answer)

_________________________________

The expression 6x should be 6xy.

here term y is missing hence we multiply 6x with y

rule: a*b = ab

6x*y = 6xy (answer)

_________________________________________________

The expression x^2y should be x^2y^2

Here we need power of y as 2, to do that we multiply x^2y by y.

Rule

x^2*x^b = x(a+b)

x^2y *y = x^2y^(1+1) = x^2y^2 (answer)

_____________________________________________

The expression 4y should be 4y^2\

Here we need power of y as 2, to do that we multiply 4y by y.

Rule

x^2*x^b = x(a+b)

4y*y = 4y^2 (answer)

User Savrige
by
6.3k points
7 votes

Answer:

b: the expression 6x should be 6xy

Explanation:

i just did on edgen 2020

User Fandro
by
6.6k points
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