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Deffense [45]
3 years ago
15

Solve the equation by finding the linear factors and the zeros of x^2-14x+13=0

Mathematics
2 answers:
makvit [3.9K]3 years ago
6 0
Yea I checked and x= -13
Blizzard [7]3 years ago
3 0

Answer:

x= -13

Step-by-step explanation:

Step-1 : Multiply the coefficient of the first term by the constant   1 • 13 = 13  

Step-2 : Find two factors of  13  whose sum equals the coefficient of the middle term, which is   14 .

     -13    +    -1    =    -14  

     -1    +    -13    =    -14  

     1    +    13    =    14    That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  1  and  13  

                    x2 + 1x + 13x + 13

Step-4 : Add up the first 2 terms, pulling out like factors :

                   x • (x+1)

             Add up the last 2 terms, pulling out common factors :

                   13 • (x+1)

Step-5 : Add up the four terms of step 4 :

                   (x+13)  •  (x+1)

            Which is the desired factorization

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Step-by-step explanation:

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3 years ago
An elevator in a mine shaft is stopped at a .25 feet below ground level. And then travels 28 feet downward. What equation can be
ankoles [38]

Correct question:

An elevator in a mine shaft is stopped at 25 feet below ground level. And then travels 28 feet downward. What equation can be written to find the final position in feet of the elevator in relations to ground level?

Answer:

-53 feets

Step-by-step explanation:

Initial stop point = 25 feets below ground level

Further distance traveled = 28 feets below ground level

Final position in feet = Initial stop point + further distance traveled

Note : distances or point traveled below ground level or downward is represented as negative.

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3 0
3 years ago
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Dahasolnce [82]
Cant see it can yo take it above

5 0
3 years ago
Looking at angle DEF which statement is true
Dennis_Churaev [7]

Answer:

B.  <D = <F  

hope this helps


3 0
3 years ago
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valentinak56 [21]

Answer:

CE= 32

QS= 14

Step-by-step explanation:

Since the C=R and the E=Q, and the RQ is 16, the CE is 2x that value. (Since the CDE is 2x bigger than RSQ)

You also want to flip the triangles until they are in the same positions as each other so you can analyze it easier

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