# Pre Algebra Exam

*label*Mathematics

*timer*Asked: Jun 28th, 2018

*account_balance_wallet*$10

**Question description**

"Download your exam and type in your answers. Please also feel free to also write your answers out and upload your submission. Make sure to show your work when appropriate. You will only receive partial credit if your work is not shown. Save your exam as a Word (.doc) document, PDF, or JPEG image and submit as an attachment below when you are ready to submit the exam to be graded.

If you are unable to open/edit the Word document, you can download the PDF version of the exam and type your answers into the submission box below or type or write your work in another document.

Good luck!" I have copied and pasted my instructors instructions below i will attach the link,Thanks

## Tutor Answer

Hi, here is the solutions ad answers of your exam :). goodluck ;)

Pre-Algebra Quarter 4 Exam

Score: ______ / ______

Name: ______________________________

Student Number: ______________________

1. Elsie is making a quilt using quilt blocks like the one in the diagram.

a. How many lines of symmetry are there?

Answer:

- There are 4 lines of symmetry

b. Does the quilt square have rotational symmetry? If so, what is the angle of rotation?

Answer:

- Yes. The angle of rotation is 900, 1800, and 2700

2. Lisa and Bart spin this spinner 60 times. The results are below:

Pre-Algebra Quarter 4 Exam

a) What is the experimental probability of a spin of orange?

Answer:

21÷60= 0.35 x 100 =35%

Therefore, the probability of a spin of orange is 35%

b) Which color had an experimental probability that matched its theoretical probability?

Answer:

The answer is blue because each color has the theoretical probability of 25

percent., in which, 15÷60=0.25 x 100 = 25%

3. Use the diagram below to answer the following questions.

a. Name three points.

Answer:

The three points are:

- D, G and, C.

Pre-Algebra Quarter 4 Exam

b. Name four different line segments.

Answer:

The four different line segments are as follows:

•

•

•

•

FD

DG

DC

FG

⃡ .

c. Write two other names for 𝐹𝐺

Answer:

FD, GF

d. Name two different rays.

Answer:

FG, and DF

4. Charlie is at a small airfield watching for the approach of a small plane with engine trouble.

He sees the plane at an angle of elevation of 32. At the same time, the pilot radios Charlie

and reports the plane’s altitude is 1,700 feet. Charlie’s eyes are 5.2 feet from the ground.

Find the ground distance ...

*flag*Report DMCA

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors