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9/29/2022-Unit 2A Test_N_Colon

Last updated about 3 years ago

31 Nsɛmmisa

Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

DESMOS CALCULATOR

https://www.desmos.com/testing/virginia/scientific

Akwankyerɛ

DESMOS CALCULATOR

https://www.desmos.com/testing/virginia/scientific

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1.

Find the y-intercept for

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2.

What is the equation of the axis of symmetry of:

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3.

What is the vertex of:

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4.

Identify where the function:
is decreasing. (input your answer in interval form)

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5.

Factor completely:

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6.

Factor completely:

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7.

is a perfect square trinomial, what is the value of c?

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8.

{-12,2}

{-2,12}

{-8,-3}

{3,8}

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9.

Select the apparent factors of the quadratic function shown.

(x+3)

(x+5)

(x-3)

(x+1)

x

(x+4)

(x-4)

(x-1)

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10.

After completely factoring:
which of the following are all the factors:

48

3

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11.

After completely factoring:
which of the following are all the factors:

4

64

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12.

Solve:
(put your answer in set notation using { } )

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13.

Input your answer in set notation using {}

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14.

no solution

-3

-1

1

3

0

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15.

Solve by factoring:
Input your answer in set notation using {}

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16.

For the equation:
What is the y-intercept?
(as a point (x,y) )

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20.

For the equation:
What are the x-intercept(s)?
(input as a point (x,y) and separate by a comma if necessary, or if there are no real solutions, type: none)

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24.

Roots: (in set notation using {}
(note graph this in show your work if necessary)

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25.

What is the y-intercept? (as a point (x,y) )

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27.

Given the equation:
Choose all of the appropriate transformations of this function

shift 3 up

shift 3 down

reflected in the x-axis

shift 7 right

shift 7 left

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28.

Given the graph, h=?

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29.

Given the graph, k=?

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30.

Given the graph above, choose all of the appropriate transformations:

Reflected in the x-axis

Shift up 1

Shift right 2

Shift left 2

Compressed by a factor of 2

Shift down 1

Stretched by a factor of 2

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31.

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17.

For the equation:
What is the vertex?
(as a point (x,y) )

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18.

For the equation:
What is the axis of symmetry?
(this is an equation)

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19.

For the equation:
What is the range?
(in interval notation)

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21.

For the equation:
Increasing interval:
(in interval notation)

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22.

For the equation:
domain: (in interval notation)

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23.

For the equation:
range: (interval notation)--(the 'picture' says vertex...but I'm looking for range here)

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26.

Increasing interval? (in interval notation)