Register

Which reason justifies step C in the following proof? Conjecture: If 3x² + 10 = 100, then z = ±√/30 3x² + 10 = 100 A given 3x² = 90 B subtraction property of equality x² = 30 C.…

Which reason justifies step C in the following proof? Conjecture: If 3x² + 10 = 100, then z = ±√/30 3x² + 10 = 100 A given 3x² = 90 B subtraction property of equality x² = 30 C.…
asked 121k views
5 votes
Which reason justifies step C in the following proof? Conjecture: If 3x² + 10 = 100, then z = ±√/30

3x² + 10 = 100 A given

3x² = 90 B subtraction property of equality

x² = 30 C. ?

2=±√30 D square root property​

asked
User Abderrazzak Nejeoui
by
8.1k points

1 Answer

3 votes
The reasoning behind step C is the division property of equality. x² can be divided by both sides of the equation to yield 30.
answered
User Bona Chon
by
8.2k points
← Prev Question Next Question →

Related questions

User Yagni
asked Apr 22, 2022 126k views
√6 + √30 √36 + √36 √ - Square Root Pls help :(
Yagni asked Apr 22, 2022
by Yagni
8.6k points
1 answer
2 votes
126k views
User Genma
asked Mar 10, 2024 82.7k views
15/3 ___ √30 which is greater
Genma asked Mar 10, 2024
by Genma
7.6k points
1 answer
3 votes
82.7k views
Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

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!