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MissTica
3 years ago
8

Identify the quadratic term in the function. Please Help!!! ASAP!!!

Mathematics
1 answer:
Goshia [24]3 years ago
7 0
The quadratic term is 2x^2.
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Determine the solutuon for x^2-3x-28>0
natita [175]

Answer:

 x < -4 or x > 7.

Step-by-step explanation:

We first determine the critical points by solving x^2 - 3x - 28 = 0:

x^2 - 3x - 28 = 0

(x - 7)(x + 4) = 0

x = 7, - 4

so the critical points are  -4 and  7.

Create a Table   (pos = positive and neg = negative):

Value  of           x< - 4        -4  < x < 7         x > 7    

---------------------|----------- |--------------------- |---------------------

x + 4                  NEG           POS                 POS

x - 7                    NEG           NEG                POS

(x + 4)(x - 7)         POS           NEG                POS

So the function is positive (>0) for x < -4 or x > 7.

You can also do this by drawing the graph of the function.

6 0
3 years ago
A rectangle is 7 meters long.the perimeter of the rectangle is 24 meters what is the width of the rectangle.
shepuryov [24]
Width is 5 meters.
Hope this helped!
5 0
3 years ago
Read 2 more answers
PLEASEEE HELPPP ME PLSSSSS
babymother [125]

Answer:

y = -5x +5

Step-by-step explanation:

slope = (15 - -5)/(-2 - 2) = 20/-4 = <u>-5</u>

y int = 5

7 0
2 years ago
Read 2 more answers
Someone help please
ratelena [41]

Answer:

77

Step-by-step explanation:

HAV A GREAT DAY hope this helps

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3 years ago
Dummy forgot his pin code. 20% of his pin code was 246.8 what was dummy pin code?
eduard
The dummies pin code would be 49.36.
8 0
3 years ago
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