menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Evaluate 2b2 - 3b + 4a2 for a= -6 & b=8 A. -40 B. 202 C. 248 D. 346
asked
Oct 25, 2018
204k
views
0
votes
Evaluate 2b2 - 3b + 4a2 for a= -6 & b=8 A. -40 B. 202 C. 248 D. 346
Mathematics
high-school
Rejo
asked
by
Rejo
7.9k
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.
2
Answers
2
votes
2b^2 - 3b + 4a^2....a = -6, b = 8
2(8^2) - 3(8) + 4(-6^2) =
2(64) - 24 + 4(36) =
128 - 24 + 144 =
248 <==
Alexandr Kapshuk
answered
Oct 25, 2018
by
Alexandr Kapshuk
8.7k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
3
votes
2b²
- 3b + 4a
² =
2*(8)² - 3*8 + 4*(-6)² =
2 * 64 - 24 + 4*36 =
128 - 24 + 144 = 248
Cost
answered
Oct 29, 2018
by
Cost
7.5k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Sep 11, 2018
197k
views
Please help me for 20 points Evaluate 2b2 – 3b + 4a2 for a = –6 and b = 8. 248 202 346 –40
Patryk Ziemkowski
asked
Sep 11, 2018
by
Patryk Ziemkowski
8.4k
points
Mathematics
high-school
1
answer
2
votes
197k
views
asked
Mar 26, 2018
160k
views
Evaluate 2b2 - 3b + 4a2 for a= -6 & b=8 A. -40 B. 202 C. 248 D. 346
Djork
asked
Mar 26, 2018
by
Djork
8.4k
points
Mathematics
high-school
1
answer
0
votes
160k
views
asked
Apr 4, 2023
12.0k
views
Evaluate 2b2 − 4a + 4a2 for a = 3 and b = −8.
Sromit
asked
Apr 4, 2023
by
Sromit
8.2k
points
Mathematics
college
1
answer
4
votes
12.0k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.5m
questions
12.2m
answers
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?
Write words to match the expression. 24- ( 6+3)
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