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
valentina_108 [34]
3 years ago
5

Solve the quadratic equation for x.What is one of the roots?

Mathematics
2 answers:
ExtremeBDS [4]3 years ago
8 0

Answer:

-13

Step-by-step explanation:

  • plug in each number for x, then follow orders of operations

(-13+6)^2

  • -7^2=49

(-6+6)^2

  • 0^2=0

(-7+6)^2

  • -1^2=1

(-1+6)^2

  • 5^2=25

zubka84 [21]3 years ago
7 0

-13 because 6 x 2 = 12 plus x = -13 x represents 1 btw
You might be interested in
3. Six less than twice a number is 17. Which equation could be used to determine the
Usimov [2.4K]

Answer & Step-by-step explanation:

n represents our number. So, twice a number would be 2n because twice means multiply by two.

When the problem says 6 less, then it means 6 less than 2n. So, it would look like 2n-6.

FInally, the problem says that all of this equals 17 so 17 would be the result.

So, you answer is 2n-6 = 17. This is answer choice B.

6 0
3 years ago
(2x + 5x - 3) + (x + 3)
IrinaK [193]

Answer:

8x

Step-by-step explanation:

Because you are adding the (x+3) there you can immediately you the association property to simplify

(2x + 5x + x) + (3 - 3)

8x + 0 =

8x

5 0
2 years ago
Solve x+4=10 A.x=2 B.x=3 C.x=6 D.x=14
labwork [276]

Answer:

C. x = 6

Step-by-step explanation:

6 + 4 = 10

8 0
3 years ago
14k²+49k+21 factorise<br>​
irina [24]

Answer:

(2k+1)(k+3)

Step-by-step explanation:

14k²+49k+21

simplify by dividing the whole equation by 7

2k²+7k+3

factorise

(2k+1)(k+3)

6 0
3 years ago
A rectangular garden has a width of five times an unknown variable x plus two. The length is one more than three times the same
wolverine [178]

Answer: just saying I’m pretty sure it’s 36... don’t put it cause I’m not 100% sure it’s right?

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • Subtract the second equation from the first<br> 6x + 5y =16<br> - (6x + 2y=10)
    5·1 answer
  • Choose as many answers as apply. Which of the following are metric measurements? gallon liter meter pint quart kilogram kilowatt
    10·2 answers
  • Need help with all parts please show you work for each part
    11·1 answer
  • The graph shows the relationship between the distance a truck can travel and the amount of gasoline used.
    8·2 answers
  • Find the sum of the geometric sequence -3,15,-75,375,... when there are 7 terms and select the correct answer below.
    12·1 answer
  • Which equation(s) below is parallel to y = x-5
    7·1 answer
  • Adult tickets to the fall play cost $8 and student tickets cost $4. The drama class sold 30 more adult tickets than student tick
    5·1 answer
  • 67,124 x three fourths = ________. Will the product of this equation be less than or greater than 67,124? Explain your reasoning
    5·1 answer
  • Given: BA BC and DAE EC Prove: BD = BE.​
    10·1 answer
  • Factor the expression completely. 10x^5 -7×^3?​
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!