Register
Which values of a and b make the following equation true (5x^7y^2) (-4x^4y^5) = -20x^a y^b
72.6k views
5 votes
Which values of a and b make the following equation true
(5x^7y^2) (-4x^4y^5) = -20x^a y^b

Which values of a and b make the following equation true (5x^7y^2) (-4x^4y^5) = -20x-example-1
User Patrick Klein
by
7.6k points

1 Answer

3 votes
In x^7•x^4, how many x’s are multiplied together? (There’s 7 in the first factor and 4 in the second.)

x^7•x^4 = x^__? This is your a-value.

Similarly, y^2•y^5 = y^__? How many y’s are there in total being multiplied? This is your b-value.
User Radford
by
7.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.8m questions

11.4m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Link Copied!