Name: Algebra RFinal Exam Practice #1B

21 Which ordered pair is a solution to the system of equations and?

A) / / C) /
B) / / D) /

22 Which equation represents a line parallel to the line ?

A) / / C) /
B) / / D) /

23 When is subtracted from , the result is

A) / / C) /
B) / / D) /

24 What is the product of and ?

A) / / C) /
B) / / D) /

25 Which expression represents in simplest form?

A)12x12 C)3x12

B)12x9 D)3x9

26 Jennifer bought a antique vase for $500. If the value of the vase increases 6% annually, what will be the value of the vase at the end of 3 years to the nearest dollar?

A) / $415 / C) / $596
B) / $590 / D) / $770

27 Factored completely, the expression is equivalent to

A) / / C) /
B) / / D) /

28 What is expressed in simplest radical form?

A) / / C) /
B) / / D) /

29 Which value of x makes the expression undefined?

A) / / C) / 3
B) / 2 / D) /

30 Which expression represents in simplest form?

A) / / C) /
B) / / D) /

31 A rectangular prism shown has a length of 3.0 cm, a width of 2.2 cm, and a height of 7.5 cm.

What is the surface area, in square centimeters?

A) / 45.6 / C) / 78.0
B) / 49.5 / D) / 91.2

32The rectangle shown below has a diagonal of 18.4 cm and a width of 7 cm.

To the nearest centimeter, what is the length, x, of the rectangle?

A) / 11 / C) / 20
B) / 17 / D) / 25

33 A tree casts a 25-foot shadow on a sunny day, as shown in the diagram below.

If the angle of elevation from the tip of the shadow to the top of the tree is 32°, what is the height of the tree to the nearest tenth of a foot?

A) 13.2C) 21.2

B) 15.6D) 40.0

35If a tree 28 meters tall casts a shadow 32 meters long, what is the angle of elevation of the Sun to the nearest degree?

A) / 29 / C) / 50
B) / 41 / D) / 61

36 If the universal set is {pennies, nickels, dimes, quarters}, what is the complement of the set {nickels}?

A) / { }
B) / {pennies, quarters}
C) / {pennies, dimes, quarters}
D) / {pennies, nickels, dimes, quarters}

37What is the area of a circle whose diameter is 10 centimeters?

A) 25 π cm2 C) 20 π cm2

B) 10 π cm2 D) 100 π cm2

38 A company wants to send some employees to a conference. Their budget is $700 plus $125 a day for expenses. If the company can spend at most $1400, which inequality expresses this situation?

A) 700 + 125x 1400C) 125x + 700 1400

B) 700x + 125 1400D) 125x – 700 1400

Name: Algebra RFinal Exam Practice #1B

Short Answer:

39 Name the function:

40 Which value of x is the solution of ?

Explain in at least five sentences the steps needed to solve the above proportion.