Register
Please help ASAP Which expressions are differences of squares? Select each correct answer. a^2+1 x^2−169 h^2−20 t^2−4
21.9k views
4 votes
Please help ASAP

Which expressions are differences of squares?
Select each correct answer.
a^2+1
x^2−169
h^2−20
t^2−4

User Vbg
by
8.2k points

1 Answer

5 votes
differnce is
a²-b²

frst one is not, that is sum
2nd one is, x²-13²
3rd on e is not, 20 is not a perfect square (but you could do h²-(√20)²)
4th one is t²-2²


2nd and 4th
User Chemi Adel
by
8.9k points
← Prev Question Next Question →

Related questions

User CCSJ
asked Jan 18, 2019 164k views
Which expressions are differences of squares? Select each correct answer. x^2−169 t^2−4 a^2+1 h^2−20
CCSJ asked Jan 18, 2019
by CCSJ
8.2k points
1 answer
5 votes
164k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m 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!