MATH Basic Algebra I  - Unit 36: Second Semester Final
1)

Graph the given function on graph paper, and then determine which graph is correct. 


2)

Solve by completing the square. 


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3)

Solve the equation by using the quadratic formula.


4)

For the quadratic function below, find (a) the direction of the opening, (b) the vertex, and (c) the axis of symmetry.

y = –2(x + 2)2 + 4


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5)

Use the zeros to find the vertex of y = x2 – 8x + 20, and then write the vertex form of the equation.


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6)

Solve (x – 4)2 – 25 = 0


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7)

Simplify the rational expression and give any restrictions on the variable. 


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8)

What is the domain of the function?


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9)

Evaluate.


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10)

Multiply.


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11)

Divide.


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12)

Subtract.


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13)

Add.


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14)

Solve for “x.”


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15)

Simplify and express the answer in simplest radical form.


16)

 Simplify and express the answer in simplest radical form.


17)

Simplify and express the answer in simplest radical form.


18)

Solve.


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19)

Use the Pythagorean Theorem to solve for “x” in the right triangle shown below. Round the answer to the nearest tenth. 


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20) Samantha wants to purchase a new dress. She can buy it online for 15% off but she will have to pay shipping which is 9.95. She can purchase the same dress at a local store for full price but not have to pay shipping. What price makes the dress less expensive to buy online?

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21)

Tickets to the big game are $25 in advance and $35 at the door.  Write an inequality that shows the goal is to earn at least $1000 in ticket sales.


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22) Graph the inequality from #21. You can do this by hand and scan it or you can use an online calculator and take a screenshot and attach the screenshot. If you want to use a free online graphing calculator, go to: https://www.desmos.com/calculator.

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23)

What is a complex number?


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24)

Find the number and type of solutions for: 3x2 – 10x + 3 = 0.


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25)

Find the solutions for x2 + 3x + 3.


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26)

Use the vertical line test to determine if the graph below is a function. 


27)

Evaluate the function for g(–2). 


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28)

Samantha bakes cakes. She charges a flat fee of $50 when the order is placed. She then charges $2.50 per serving. Write a function rule that describes how much Samantha charges for a cake. Then, find the domain and range for this function.


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29)

What is a transformation of a function? 


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30)

Given the parent function f (x) = x2, explain the translation of f (x) = (x – 3)2 + 5.


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31)

Given the parent function f (x) = |x|, describe the translation of the function g(x) = 2|x| + 9 from the parent function.


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32)

Given the ordered pairs in the table below, write the ordered pairs of the inverse function.


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33)

Find the inverse of y = 3x – 1.


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34)

Find the inverse of y = 5x.


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35)

Look at the graph below. Tell how the parent function f (x) = x2 has been transformed.


36)

Find the intersection points of the functions f (x) = 2x + 1 and g(x) = –4x + 13.


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