Math Review Worksheet: Significant Figures / Scientific Notation / Algebra SIGNIFICANT FIGURES Any measurement is inaccurate to some degree. The inaccuracy stems from several factors -the precision of the measuring device used, errors by the person d
Use your calculators intersection nder to nd the approximate solution(s) to the equation. Round your answers to two decimal places. x3 7 = 2x2 + 13x
1
Find the solutions of the system of equations both algebraically (substitution) and graphically
Math 148 Exponentials and Logarithms Review
Activities with Exponents
1 1 1. = ( 21 ) = 211 = 2 2 an 1 = a n m = a n a m = a nm 2. m a a 3. a. F Violation of Order of Operations b. T c. T d. F 1
Graphs 1. f ( x) = log x Domain: (0, ) Range: (
Exponentials and Logarithms Review Math 148
The Laws (or Rules) of Exponents
1. a n a m = a n + m 2. a n = a nm 3. a 0 = 1 1 4. a n = n a
()
m
5.
an = a nm am
n
6. a m = m a n = m a 7. (a b) k = a k b k 8. a n = a m n = m
()
n
Comments 1
Math 148 Lab 4 Trigonometry Spring Quarter, 2009 Due: Wednesday, June 3, 2009 Directions: Work out each problem, and use the work to ll out the answer sheet. Submit the answer sheet to your recitation instructor on or before the due date. Material from th
Lab 1 Map Reading/Interpretation & Intro to Demography
(45 points, 10% of final grade)
This assignment is due at the beginning of class on Monday, June 29th. Type your answers on a separate sheet of paper, and proof-read your work! Do not use Wikipedia or
Math148FinalExamTopics
MidpointandDistanceFormula Usingthecalculatortosolveequations o Rootmethod o IntersectionMethod o HybridMethod ApplicationProblems o FirstDegree o SecondDegree o Max/Min Functions o FindtheDomainandRange o PiecewisedefinedFun
FINAL EXAM SAMPLE PROBLEMS MATH 148 AUTUMN 2008 1. a) Find the midpoint of the line segment connecting the two points, (52, 17) and (10, 10). b) Find the distance from the midpoint found in part a) to the point (52, 17). (Round to 4 significant figur
Math 148 Exam 2 Practice Problems 1) Solve a) Find the value of x (without using logarithms) that makes the statement true: 4 x+9 = 8 x b) Solve the equation: log( x 20)5 = 10 .
2) Express as a single logarithm. log(x 2 + x ) log x a) 3 b) ln( x
Solve for x: x1 2 = +3 x2 x2
Solve for a: 1 23 = a b c
1
The price of a stereo is marked up 20% and then marked down 20%. The new price is $ 96. What was the original price of the stereo?
2
How much water must be added to 15 mL of a 25% acid sol
Solve for x by factoring: 5x 4x 10 =2 x2 x1 x 3x + 2
1
Solve for x by using the quadratic formula: 5 2x = 7 x
2
If a baseball is thrown upward from the top of a 640-foot-high building with an initial speed of 52 feet per second, how long does
Find the vertex of the following quadratic equation and state whether it is a maximum or a minimum. y = 12x2 + 18x + 25 3
1
Find the maximum value for y, given 5 < x < 0. y= 2 x2 x
2
From 2.2: If a baseball is thrown upward from the top of a 640
Math 148 - Winter 2009
Lab Assignment 2 (v0.2029) Quadratic Models Due: February 2, 2009
1
Background
Introduction: Ernie Thayer1 hits a baseball and it travels for 412 feet before it lands. When he hits the ball, the ball is between about 2 feet
Math 148 Practice Midterm 1 WI 09
Please be aware that this is a practice exam based on previous department exams. There may be topics from class that are not represented on this practice exam that are important. 1. (a) Which of the points (10, 6) a
FINAL EXAM SAMPLE PROBLEMS MATH 148 WINTER 2008 1. a) Find the midpoint of the line segment connecting the two points, (52, 17) and (10, 10). b) Find the distance from the midpoint found in part a) to the point (52, 17). (Round to 4 significant figur
Math 148 - Winter 2009 Lab Assignment 3 (v0.11038) Exponential Models Due: February 16, 2009
Background
Directions: Work out each problem and write the required answers and explanations clearly on the answer sheet on the last page of this lab. Submi
Math 148 Practice Midterm 1 AU 08
Please be aware that this is a practice exam based on previous department exams. There may be topics from class that are not represented on this practice exam that are important. 1. (a) Which of the points (10, 6) a
Math 148 Exam 2 Practice Problems Answers: 1. a) x = 18 b) x = 120 3 x2 + x 2. a) log x x-1 b) ln x + 5x 3. i) (c) with $3,419.64 ii) $418.06
4. a) f t = 200e b) a = 2.154 c) t = 4.191 0.768 t
5. a) 68.3% b) 48 weeks 6. $22605
Math 148 Spring 2012
Lab Assignment 3
Exponential Models
Due: Monday, May 7, 2012
Background
Directions: Work out each problem and write the required answers and explanations
clearly on the answer sheet on the last page of this lab. Submit the answer shee
Math 148 Spring 2012
Lab Assignment 4
Analytic Trigonometry
Due: Wednesday, May 30, 2012
Directions:
Work out each problem, and use the work to ll out the answer sheet. Submit the
answer sheet to your recitation instructor on or before the due date.
Mat
Math 148
Final Exam
Winter 2006 3/13/06
Page 1 of 13
Form A
Name:
SSN:
Lecturer:
Recitation Instructor:
Recitation Time:
Please clearly show all of your work. Partial credit will be awarded based on the work
that is shown. A correct answer with no support
Math 148
Midterm 1
Winter 2006 1/25/06
Page 1 of 8
Form A
Name:
SSN:
Lecturer:
Recitation Instructor:
Recitation Time:
Please clearly show all of your work. Partial credit will be awarded based on the work
that is shown. A correct answer with no supportin
Math 148
Midterm 2
Winter 2006 2/15/06
Page 1 of 7
Form A
Name:
SSN:
Lecturer:
Recitation Instructor:
Recitation Time:
Please clearly show all of your work. Partial credit will be awarded based on the work
that is shown. A correct answer with no supportin