Math 99 Homework with answers November 25th 2013
Reuven Hoffman
Problem 1 Divide the equation 24x4-28x3/2x
Problem 2 Divide the equation 72x6-27x4+45x/9x
Problem 3 Divide the equation 100x16-50x14+40x
Math 99 Homework Problems with Answers December 12th 2013
Problem 1 factor completely r2 -81
Problem 2 Factor Completely c2-169
Problem 3 can b2-15 be factored or is it prime
Problem 4 Factor Complete
MTH 99 Fall2010 Practice for Exam II
1
NOTE: NO CALCULATORS WILL BE ALLOWED ON THIS EXAM!
Exam time: 50 minutes.
1.
Systems of Linear Equations
Solve the following systems of linear equations by subst
MTH 99 Worksheet 7 Solutions
1
Solve the following systems of equations
1.
x + y = 12
y = 3x
Solution
Substitute y = 3x in the rst equation and we get,
x + 3x = 12 = 4x = 12 =
12
4x
=
= x = 3
4
4
Sinc
MTH 99 Worksheet 6 Solutions
1
1. Let f = cfw_(0, 1), (2, 3), (5, 7), (9, 4). State whether f represents y as a function of x. What is the
domain and range?
Solution
Here, every x coordinate (rst coor
MTH 99 Worksheet 2, Sep 15, 2010
Problems 6, 19, 28, 44, 52 page 129
Solve using the additive property of equations
1)
x8=9
Add 8 on both sides
x8+8=9+8
This gives
x = 17
2)
8x + 5 = 7x
Bring all the
MTH 99 Worksheet 3, Sep 22, 2010
Problems 30 and 46 page 186-187
1) Solve the equation
x + 10
x+4
=
6
8
First, cross multiply and obtain
8(x + 4) = 6(x + 10)
which we can simplify using distributive p
MTH 99 Worksheet 4 Solutions
1
1. Solve 5x 4 < 6
Solution
Add 4 on both sides and we get
5x < 10
. Divide both sides by -5 and reverse the inequality and this gives
x > 2
. So the solution is (2, ). T
MTH 99 Worksheet 5 Solutions
1
1. Find the slope of the line joining (-8,0) and (0,-5)
Solution
If we denote (x1 , y1 ) = (8, 0) and (x2 , y2 ) = (0, 5) the slope is
5 0
5
y2 y1
=
=
x2 x1
0 (8)
8
2. S
MTH 99 Worksheet 1, Sep 10, 2010
Problem 8, page 55
List all numbers in the following set that are (a) natural numbers (b) whole numbers (c) integers
(d) rational numbers (e) irrational numbers (f ) r
MTH 99 Fall2010 Practice for Exam I
1
NOTE: NO CALCULATORS WILL BE ALLOWED ON THIS EXAM!
Exam time: 50 minutes. YOU MUST BRING YOUR URI ID.
Part I
1. Each problem has exactly one correct answer. Circl
MTH 99 Worksheet 9 Solutions
1
Factorize the following polynomials using appropriate rules.
1.
x2 + 14x + 48
Solution
We need 2 numbers whose sum is 14 and product is 48. They are 6 and 8. The factors
Math 99 Homework with Answers October 16th
Problem 1 Find the slope from the two given coordinates (9,3) and (10,-2)
Problem 2 Find the slope from the two given coordinates (6,7) and (10,-8)
Problem 3
Math 99 Homework With Answers October 2nd 2013
Problem 1 There are 100 members of the U.S senate. After an election there were four more
democrats than republicans. How many representatives were there
Math 99 Homework November 6th 2013 with answers
Problem 1 Is (4,-8) the solution to x+y=-4 4x+3y=12
Problem 2 Is (-3,-4) the solution to 3x+5y=-29 4x+2y=-20
Problem 3 use the elimination method to sol
Math 99 Homework November 20th with answers
Problem 1 Multiply 3q(9r3)
Problem 2 Multiply (4x6)(2x6)(-x2)
Problem 3 Multiply 5x3(6x2-4x+4)
Problem 4 Find the product of 5xy4(6xy2-5xy+7x)
Problem 5 Fin
Math 99 Homework December 4th 2013
Reuven Hoffman
Problem 1 Use the foil method to solve the following (a+9)(a+7)
Problem 2 Use the foil method to solve the following (a+7)(a+5)
Problem 3 Factor the t
Math 99 Homework with answers November 13th
Problem 1 how many terms does t4 have
Problem 2 What is the coefficient of
Problem 3 Can this polynomial be simplified -2y5+8y5
Problem 4 Can this polynomia
Math 099 Homework September 18th With Answers
Problem 1 What is the value of the expression 62
Problem 2 Evaluate the expression 46-14
Problem 3 What is the value of the expression +
Problem 4 Evalua
Math 99 Homework September 11th 2013 with answers
Problem 1 is 67 a prime or composite number
Problem 2 Is 6 a prime or composite number
Problem 3 Write out the prime factorization form of 114
Problem
MTH 99 Worksheet 8 Solutions
1
Simplify using laws of exponents. The laws of exponents used in these problems are the following.
1.
am an = am+n
2.
(am )n = amn
3.
(ab)m = am bm
4. Assuming that b = 0
MTH 99 Fall2010 Practice for Final Exam
1
NOTE: NO CALCULATORS WILL BE ALLOWED ON THIS EXAM!
Exam time: 3 hours.
1.
Linear Equations and Systems of Linear Equations
(30 points)
I. Solve the linear equ