Register

Explain how to find the value of z if you know that 100x*2 + 120x + z is a perfect square trinomial

Explain how to find the value of z if you know that 100x*2 + 120x + z is a perfect square trinomial
206k views
5 votes
Explain how to find the value of z if you know that 100x*2 + 120x + z is a perfect square trinomial

User Ben Ziegler
by
8.1k points

1 Answer

5 votes
Recall that (a+b)²=a²+2ab+b²

100x²+120x+z
in this case, because100x²=(10x)², a=10x, z=b²
120=2*10*b
b=6
z=b²=36
the square is (10x+6)²
User JustLearn
by
7.5k points
← Prev Question Next Question →

Related questions

User MightyWOZ
asked Jan 3, 2024 180k views
For what value of x does the function f(x)=x³-9x²-120x+6 have a local minimum?
MightyWOZ asked Jan 3, 2024
by MightyWOZ
8.0k points
1 answer
5 votes
180k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!