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Travka [436]
3 years ago
6

Identify the function shown in this graph.

Mathematics
2 answers:
jolli1 [7]3 years ago
7 0

Answer:

Step-by-step explanation:

masya89 [10]3 years ago
7 0

Answer:

C. y = -2x - 1

Step-by-step explanation:

y = mx + b

The slope is going down so that means that the m will be negative.

We are left with two choices:

y = -2x - 1

y = -2x + 1

Check the graph again to find what point does the line intersect the vertical line (y-axis). That hits in (0, -1) or -1.

So the only answer applicable is option C.

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Factor by using the perfect-square trinomial formula. <br><br> 100x^2+20x+1
a_sh-v [17]
To factor first multily 100 and 1 and get 100

then find what 2 numbers multiply to get 100 and add to get 20

the numbers are 10 and 10

so
split the center term up
100x^2+10x+10x+1
group
(100x^2+10x)+(10x+1)
undistribute
(10x)(10x+1)+(1)(10x+1)
undistribute/reverse distributive property
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8 0
3 years ago
Read 2 more answers
F(x) = 2x^2+ 5x + 20<br><br> Find f(-9)
8_murik_8 [283]

Answer:

137

Step-by-step explanation:

2(-9)^2+5(-9)+20

2(81)-45+20

162-45+20

117+20

137

8 0
3 years ago
Layla went shopping for camping equipment. After looking at several different stores, she bought a tent for $163.63 and a sleepi
Ghella [55]

Answer:

$297.09

Step-by-step explanation:

To answer this question, just add:

163.63 + 133.46 = 297.09

So, Layla spent $297.09 in all

Hope this helps :)

5 0
2 years ago
If 3x - y = 3 and -x + y = 3 then xy=___?
mamaluj [8]

First find x and y.

Solve system of equations by elimination.

  3x-y=3

+(-x+y=3)

---------------

2x=6

x=3

Now plug in x into one of the equations to find y.

-3+y=3

y=6

xy=3x6=18

5 0
2 years ago
Which equation illustrates dividing out a common factor as the first step to solve the equation 2 x + 4 = 6 x + 2 ? A. 2 ( x + 2
ioda

Answer:

Step-by-step explanation:

2x + 4 = 6x + 2

Bringing like terms on one side

4 - 2 = 6x - 4x

2 = 2x

2/2 = x

1 = x

3 0
2 years ago
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