Register

Can you help me solve this radical equation √y-10 = y-2 the sqrt sign is only over the y-10

Can you help me solve this radical equation √y-10 = y-2 the sqrt sign is only over the y-10
asked 153k views
0 votes
Can you help me solve this radical equation √y-10 = y-2 the sqrt sign is only over the y-10

asked
User Max Nanasy
by
7.8k points

1 Answer

6 votes

D:y-10\geq0 \wedge y-2\geq0\\ D:y\geq10 \wedge y\geq2\\ D:y\geq10\\\\ √(y-10)=y-2\\ y-10=(y-2)^2\\ y-10=y^2-4y+4\\ y^2-5y+14=0\\ \Delta=(-5)^2-4\cdot1\cdot14=25-56=-31\\ \Delta<0 \Rightarrow y\in \emptyset
answered
User Tomas Capretto
by
8.0k points
← Prev Question Next Question →

Related questions

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 =
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?
Link Copied!