(e) Given that loga 4 = p and loga 3 = q, express loga 2.25 in terms of p and q. Question 4 (a) (i) Suppose a and B are the roots of 2x2 - 4x + 7 = 0. Find the value of: (a) (c) a3 + B3 (ii) The roots of the quadratic equation x2 - 5x - 10 = 0 are a and B. Find a quadratic %3D equation whose roots are 2a and 2B.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 70E
icon
Related questions
icon
Concept explainers
Topic Video
Question
Help
(e) Given that loga 4 = p and loga 3 = q, express loga 2.25 in terms of p and q,
Question 4
(a) (i) Suppose a and ß are the roots of 2x2 -4x + 7 = 0. Find the value of:
(c) a3 + B3
(a) +
(b)
(ii) The roots of the quadratic equation x2 - 5x - 10 = 0 are a and ß. Find a quadratic
equation whose roots are 2a and 2B.
(b) Decompose the following expressions into partial fractions:
6x+7
(iii)
(x+2)2
5x-3
3x
x2-2x-3
(ii)
(x-1)(x-2)(x-3)
(c) Express each of the following in the form a + bi:
3+41
(i) (5 – 2i) + (-8- i)
(ii) (3+ 4i)(5 – 5i)
(ii)
4-21
(d) Sketch the graph of f (x) = -2x² + 12x – 16 showing clearly the intercepts, axis of
symmetry and the turning point.
Question 5
(a) A pharmacist observes that she is dispensing 5% less of a particular drug every week. In
the first week she dispensed 1000 tablets. In which week will it be the first dispensing
less than 250 tablets?
(b) The first three terms of a geometric progression are 3x +5,8, 2. Find the:
(i)
common ratio and the value of x,
(ii)
sum of the first 20 terms,
(ii)
sum to infinity.
(c) Prove the following identities:
(i)
cosece -
sine
= cote
(d) Solve the following equations:
1+cose
(ii) (1+ secx)(1 – cosx) = sinxtanx
(i)
5sine - 13cose = 0
(ii) 2tan?y = secy +1
%3D
DUE DATE: 29th March, 2021
Lecturer: Mr Mubanga, S. (0967223034/0979273034)
Transcribed Image Text:(e) Given that loga 4 = p and loga 3 = q, express loga 2.25 in terms of p and q, Question 4 (a) (i) Suppose a and ß are the roots of 2x2 -4x + 7 = 0. Find the value of: (c) a3 + B3 (a) + (b) (ii) The roots of the quadratic equation x2 - 5x - 10 = 0 are a and ß. Find a quadratic equation whose roots are 2a and 2B. (b) Decompose the following expressions into partial fractions: 6x+7 (iii) (x+2)2 5x-3 3x x2-2x-3 (ii) (x-1)(x-2)(x-3) (c) Express each of the following in the form a + bi: 3+41 (i) (5 – 2i) + (-8- i) (ii) (3+ 4i)(5 – 5i) (ii) 4-21 (d) Sketch the graph of f (x) = -2x² + 12x – 16 showing clearly the intercepts, axis of symmetry and the turning point. Question 5 (a) A pharmacist observes that she is dispensing 5% less of a particular drug every week. In the first week she dispensed 1000 tablets. In which week will it be the first dispensing less than 250 tablets? (b) The first three terms of a geometric progression are 3x +5,8, 2. Find the: (i) common ratio and the value of x, (ii) sum of the first 20 terms, (ii) sum to infinity. (c) Prove the following identities: (i) cosece - sine = cote (d) Solve the following equations: 1+cose (ii) (1+ secx)(1 – cosx) = sinxtanx (i) 5sine - 13cose = 0 (ii) 2tan?y = secy +1 %3D DUE DATE: 29th March, 2021 Lecturer: Mr Mubanga, S. (0967223034/0979273034)
Assignment 1
INSTRUCTIONS
1. Answer all the questions in this assignment.
2. Show all the essential working.
3. Be neat and orderly in your working.
Question 1
Discuss five (5) reasons why Mathematics is essential in the training curriculum of an EHS.
Question 2
(a) Express the following repeating decimals in the form, where a and b are integers.
0.131313....
(i)
(b) If one syrup mixture contains substance A, B, C and D in the ratio 5 :9:4:2 and there
are 15 millilitres of substance A in the mixture, how many millilitres of substance D are
(ii) 0.325
(iii) 7.555....
there in the mixture?
(c) Show that 2x-1 x 8*+1 = 42x+1.
(d) Solve the simultaneous equations 3* x 99 = 1 and 22x x 4 =
Question 3
(a) (i) If the equation (p + 3)x² + 2px + p = 1 has two real and distinct roots, find the
range of values of p.
(ii) If the equation x2 - (q – 2)x +1 = q(x – 2) is satisfied by only one value of x,
what are the possible values of q?
(b) Solve the simultaneous equations
3x = y +7
x2 + xy = y2 +1
(c) Evaluate the following:
(i) logs 7
(ii) logs 9 x log3 7 x log, 2 x log2 25
(d) Solve the following equations:
(i) 4-7(2) = 8
(iii) logs (x+ 4)-1= logs x
(ii) 3*-1 = 2*+2
Transcribed Image Text:Assignment 1 INSTRUCTIONS 1. Answer all the questions in this assignment. 2. Show all the essential working. 3. Be neat and orderly in your working. Question 1 Discuss five (5) reasons why Mathematics is essential in the training curriculum of an EHS. Question 2 (a) Express the following repeating decimals in the form, where a and b are integers. 0.131313.... (i) (b) If one syrup mixture contains substance A, B, C and D in the ratio 5 :9:4:2 and there are 15 millilitres of substance A in the mixture, how many millilitres of substance D are (ii) 0.325 (iii) 7.555.... there in the mixture? (c) Show that 2x-1 x 8*+1 = 42x+1. (d) Solve the simultaneous equations 3* x 99 = 1 and 22x x 4 = Question 3 (a) (i) If the equation (p + 3)x² + 2px + p = 1 has two real and distinct roots, find the range of values of p. (ii) If the equation x2 - (q – 2)x +1 = q(x – 2) is satisfied by only one value of x, what are the possible values of q? (b) Solve the simultaneous equations 3x = y +7 x2 + xy = y2 +1 (c) Evaluate the following: (i) logs 7 (ii) logs 9 x log3 7 x log, 2 x log2 25 (d) Solve the following equations: (i) 4-7(2) = 8 (iii) logs (x+ 4)-1= logs x (ii) 3*-1 = 2*+2
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Knowledge Booster
Application of Algebra
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, advanced-math and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Mathematics For Machine Technology
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,