1answer.
Ask question
Login Signup
Ask question
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
NikAS [45]
3 years ago
6

Show that x = -2 is a solution of 3x² + 13x + 14 = 0​

Mathematics
1 answer:
Oliga [24]3 years ago
3 0

Answer:

x= -2 is correct answer

Step-by-step explanation:

3(-2×-2)+13(-2)+14=0

3(4)+13(-2)+14=0

12+(-26)+14=0

12-26+14=0

12+14-26=0

26-26=0

0=0

You might be interested in
The nth term of a sequence is 25-3n
Komok [63]

Answer:

22, 19, 16 and - 5

Step-by-step explanation:

To evaluate any term from the n th term formula substitute the terms position value for n

given a_{n} = 25 - 3n, then

(a)

a_{1} = 25 - (3 × 1) = 25 - 3 = 22

a_{2} = 25 - (3 × 2) = 25 - 6 = 19

a_{3} = 25 - (3 × 3) = 25 - 9 = 16

(b)

a_{10} = 25 - (3 × 10) = 25 - 30 = - 5


5 0
3 years ago
Read 2 more answers
Holly bought blank CD's and spent $34.57.What is that amount rounded to the nearest dollar?.
Tamiku [17]

Answer:

$35

Step-by-step explanation:

Rounding to the nearest dollar which would be 4 so in that case you would use the 5 in .57 and because 5 is a large number it would make the 4 into a five thus making it $35. Hope this helped :)

3 0
3 years ago
I don’t understand this, please help
vichka [17]

Answer:

B

Step-by-step explanation:

When graphed the circle has a point in (-4,-3) and the center is (-8,-6)

4 0
3 years ago
Maria solved the equation below and got x = –4. Which of the following choices verifies that her solution is correct? 5x + 22 =
VladimirAG [237]
5(-4)+22 = (-4)+6
-20+22 = -4+6
2 = 2
Maria is correct, since both sides equally match.
3 0
3 years ago
Read 2 more answers
Help me out, thanks.
fiasKO [112]
30x^3 10x
i’m sorry if that doesn’t help but it works out right to me
have a good day hun xox
5 0
3 years ago
Read 2 more answers
Other questions:
  • 1/4 cupcakes for 28 kids
    8·1 answer
  • Alexander found the means-to-MAD ratio of two data sets to be 3.4.
    10·1 answer
  • A taxi company charges $1.00 for the first mile (or part of a mile) and 20 cents for each succeeding tenth of a mile (or part).
    15·1 answer
  • What is the number 2,305,012 written in expanded notation?
    11·2 answers
  • $ ANSWER THIS AND I WILL MAKE A QUESTION FOR FREE POINTS FOR YOU $
    10·2 answers
  • A car averages 27 miles per gallon. If gas costs $4.04 per gallon, which of the following is closest to how much the gas would c
    11·1 answer
  • DUE ASAP AT 10:30 5 ( x - 1 ) = 28 - 6x<br> A 3<br> B 7<br> C 10<br> D -7
    6·1 answer
  • Whats the measure of the angles (SHOW YOUR WORK so I can understand)
    13·1 answer
  • HELP ME PLEASE!!!!! IM DYING WITH ALL THIS MATH HW
    11·2 answers
  • 4x+15 what is the value of X
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!