MAT 172 Test 18 Name
Summer 2017, 120 minutes total
Calculators are NOT allowed on this test. Show all work for full credit. Simplify and clearly mark final answers.
Include units where appropriate.
1. Convert 240 to radians in reduced fractional form.
MAT 172 Test 3 Practice Problems - Chapter 7
1. Convert the polar equation to rectangular coordinates:
2. Find the rectangular coordinates for the point whose polar coordinates are
.
3. Find the rectangular coordinates for the point whose polar coordinate
MAT 272 Section 10.5
Conic Sections
Drill Practice Key
1. Identify each equation. If it is a parabola, give its vertex, focus and directrix; if
it is an ellipse, give its center, vertices, and foci; if it is a hyperbola, give its
center, foci, and vertice
MAT 172 Test 2 Practice Problems
1. Andrea and Carlos left the airport at the same time. Andrea flew at 150 mph on a course with bearing N
80 E, and Carlos flew at 240 mph on a course with bearing S 40 E. How far apart were they after an
hour?
2. A ship l
Exploring Functions through Parametric
Equations - KEY
A baseball is hit three feet above the ground. If the initial
velocity is 100 miles per hour and the ball leaves the bat at an
angle of 20 degrees above horizontal, determine the parametric
set of equ
MAT 172
7.1 Trig Identities Practice
Write the trigonometric expression in terms of sine and cosine and then simplify:
1. sin sec
2. sin u cot u cos u
3.
cot
csc sin
Simplify the trigonometric expression:
4.
sec 2 x 1
sec 2 x
5.
1 sin u
cos u
cos u
1 s
Determination of a Chemical Formula
Initial Data (Steps 1 2)
Mass of Evaporating Dish (g)
Mass of Dish + Copper Chloride Hydrate
(g)
Mass of Copper Chloride Hydrate (g)
After Heating (Steps 3 5)
Mass of Dish + Anhydrous Copper Chloride
(g)
Mass of Anhydro
MAT 172 Circles and Ellipses
Show all work clearly for each of the following problems.
1. Write the equation of each circle described below:
a. Center (-3,4); tangent to the y-axis
b. Center at the origin; passes through (1,-7)
2. Find the center and radi
MAT 172 Discovery Lab on Polar Graphing NOTES
This is Section 7.3 from the text
Make sure calculator is in POLAR mode, with RADIANS.
Use trial and error on the window settings to get the complete curve.
Section 1: Limacons: r = A + B sin or r = A + B cos
MAT 171 Test 18
Fall 2016
90 minutes _
Name: i493
l
You may use a scientific calculator for the test. Show all work to receive credit. When necessary, round to
two decimal places.
1. Use the graph ofy = f(x) to answer the following questions.
i T-_10 Ww_.
MAT 171 Test 1A
Fall 2016
90 minutes
Name: 546%
You may use a scientific calculator for the test. Show all work to receive credit. When necessary, round to
two decimal places.
1. Use the graph ofy = f(x) to answer the following questions.
Page 1
Modeling Functions Key
1. (A) A(x) = x(100 2x) where A is the area and x is the length of the sides perpendicular
to the house.
(B) [0, 50]
(C) 25 ft by 50 ft
2. (A) R(d) = (5+d)(25010d) where d is the change in ticket price or R(p) = p (250 10(p 5
Lab Manual Answers The Remainder Theorem
1.
2.
3.
4.
5.
c = 1 is not a zero of p(x)
c = 1 is a zero of p(x). c = 1 is also a zero of multiplicity 2.
c = 1 is not a zero of p(x)
c = 2 is not a zero of p(x)
c = 1 is not a zero of p(x)
(Page 52)
Darrigrand 1
Emily Darrigrand
MAT 171- 4240
24 Apr. 2017
Leaping Lennie
Leaping Lennie is a college basketball player who has offers from two different
professional NBA teams. He is not very good at math so he needs help figuring out which offer
to take.
To enter formulas in Excel:
1. Click the cell where you want the formula.
2. You MUST always start the formula with the equal sign.
3. Multiplication is indicated with the asterisk.
4. Exponents are indicated with the ^, whatever its called.
5. Excel does
MAT 172 Test 4A Fall 2016 100 minutes total
Name: Solutions
You may use a scientific calculator on this test. Use exact values when specified, otherwise round
your answers to the nearest tenth. Show all work for partial credit.
1. (6 pts) Without rewritin
Test 4 Warm-ups
Identify the conic section represented
by each of the following equations:
Write the equation of a circle
satisfying the following conditions:
a.
b.
center (-2,3); radius 4
endpoints of a diameter @
(3,1) & (-2,-4)
c. center (4,3); tangent
MAT 172 Test 4B Fall 2016 100 minutes total
Name: Solutions
You may use a scientific calculator on this test. Use exact values when specified, otherwise round
your answers to the nearest tenth. Show all work for partial credit.
1. (6 pts) Without rewritin
MAT 172 Unit 3 Practice Problems
Section 6.5: Basic Trigonometric Equations
Section 7.3: Graphs of Polar Equations
Section 5.6: Vectors
Section 7.4: Polar Form of Complex Numbers
Section 7.2: Polar Coordinates
1. Find all solutions to the following equati
MAT 172 Test 2A
Name: Solutions
Fall 2016 100 Minutes
Calculators are NOT allowed on this test. Show all work for full credit. Simplify and clearly mark final
answers. Include units where appropriate.
1. Solve for x in the following triangle. Leave your a
MAT 172 Final Exam Review/Practice Problems
Note: These problems are intended to help you prepare for your exam. Do not assume that these are the
only problems you need to do. You should review old tests, quizzes, labs, notes, etc.
Give exact answers wher
Section 3A Use and Abuse of Percents
Notes From The Instructor
The book does an excellent job with this topic, but the section is very long and contains quite a bit of
information, so I hope to simplify things a bit and give you a bit more focus as you ar
Odds and Probability
Probability Refresher
Asyou recall, probability is the number of ways the
event can (or did) happen divided by the total
number of possible outcomes (or attempts).
Lets define some variables to abbreviate that
rule:
W (for wins) = the
New Percents in the News Lab
Questions 1 3 reference the article on College Completion. The full article can be found at:
http:/chronicle.com/article/New-National-Tally-of-College/135792/
1. The article on College Completion states that the national compl