1answer.
Меню
Ask question
Login
Signup
Ask question
Menu
All categories
English
Mathematics
Social Studies
Business
History
Health
Geography
Biology
Physics
Chemistry
Computers and Technology
Arts
World Languages
Spanish
French
German
Advanced Placement (AP)
SAT
Medicine
Law
Engineering
ValentinkaMS
[17]
3 years ago
11
If f(x)=2x^2+8,what is the positive value of x for which f(x)=136
Mathematics
Answer
Comment
Send
2
answers:
netineya
[11]
3 years ago
8
0
136 = 2x^2 + 8
128 = 2x^2
64 = x^2
8 = x
Send
Sergeeva-Olga
[200]
3 years ago
3
0
I would say the answer is 8:
f(x) = 2x^2 + 8
f(x) = 136
f(x) = f(x)
2x^2 + 8 = 136
Subtract both sides by 8
2x^2=128
Divide both sides by 2
x^2 = 64
Square both sides
x = 8
Send
You might be interested in
Which expression is equivalent to 3/32x8y10
dusya [7]
Answer:
I think #2
Step-by-step explanation:
8
0
3 years ago
Please answer the question in the picture
Len [333]
Reorder terms so constants are on the left
(3x + 7) 8x^2
8(3x +7)x^2
Distribute
Answer: 24x^3+56x^2
6
0
3 years ago
If you paid $1600 in property taxes on a house appraised at $80,000, what is the property tax rate in your neighborhood?
ExtremeBDS [4]
1600/80000=0.02 or 2%property tax I think
5
0
3 years ago
A farmer's corn field is a triangle with side lengths of 16 feet, 24 feet, and 32 feet. The farmer plans to increase each side l
Komok [63]
<span>3(x + 24) so if you usa test prep the awnser would be c</span>
5
0
3 years ago
Read 2 more answers
What is the solution of each proportion?
OleMash [197]
I think it is c but not quite sure
7
0
3 years ago
Other questions:
Geometry Values of a Kite
8
·
1 answer
A particular computer takes 43 nanoseconds to carry out five sums and seven products. It takes 36 nanoseconds to carry out four
9
·
1 answer
Sometimes, lenders allow or require a down payment before they extend you the loan. What would be the advantage to the lender.?
15
·
1 answer
How many times does 8 go into 143
12
·
2 answers
48 m
13
·
1 answer
Least common denominator of 7 and 343
11
·
1 answer
Please answer this correctly
5
·
2 answers
Someone pleaseee helppppp
12
·
1 answer
Find the interest rate for a principal of $9442 and charged $30233 in interest for 18 years.
10
·
1 answer
In the diagram below, PQ is parallel to MN . If MP=25, PQ=18, and MN=33, find the length of PO . Figures are not necessarily dra
12
·
1 answer
×
Add answer
Send
×
Login
E-mail
Password
Remember me
Login
Not registered?
Fast signup
×
Signup
Your nickname
E-mail
Password
Signup
close
Login
Signup
Ask question!