menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Which equation has the same solution 2x²+16x-10=0 a.(x+4)²= -3 b.(x+4)²= -11 C..(x+4)²= 13 d.(x+4)²= 21
asked
May 17, 2019
148k
views
4
votes
Which equation has the same solution 2x²+16x-10=0
a.(x+4)²= -3
b.(x+4)²= -11
C..(x+4)²= 13
d.(x+4)²= 21
Mathematics
middle-school
Protozoid
asked
by
Protozoid
7.7k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
0
votes
2x²+16x-10=0
is equivalent to: (divide by two)
x²+8x-5=0
The answer is
d
.
(x+4)²= 21
Because,
(x+4)²= 21
x² + 8x +16 = 21
x² + 8x +16 -21= 0
x² + 8x - 5= 0
Robocat
answered
May 23, 2019
by
Robocat
6.6k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
8.7m
questions
11.3m
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
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org