Matrices & Determinants Questions and Answers
Algebra
Matrices & DeterminantsWrite the English phrase as an algebraic expression Let x represent the number Eight less than a number The phrase written as an algebraic expression is N
Algebra
Matrices & DeterminantsThe slope m and a point P on a line are given Use the information to find three additional points on the line m P 5 6 3 Determine three points on the line with slope O A 2 8 2 11 6 14 O B 8 2 11 2 14 6 O C 9 1 12 3 15 7 On 1 0 2 121 1 7 151 and passing through 5 6
Algebra
Matrices & Determinants2 1522 customers at a major retailer were surveyed whether or not they made a purchase and were satisfied with the service they received The table below organizes the responses Satisfied with Service Not Satisfied with Service Total Made a Purchase Did Not Make a Purchase Total Answer 1 pt 130 715 845 Reasoning Explanation 1 pt 494 183 677 a 2 ts What is the probability that a shopper selected at random made a purchase given that they were not satisfied with the service Write your answer as a fraction 624 898 1522 b 1 pt What is the probability that a shopper selected at random made a purchase or was satisfied with the service they received Write your answer as a fraction
Algebra
Matrices & DeterminantsFind the midpoint of the segment with the given endpoints 6 10 and 6 5 The mic Type a each ca
Algebra
Matrices & DeterminantsIntial Month Month 1 Month 2 Month 3 Month 4 Month 5 Month 6 Month 7 Month 8 Month 9 Month 10 Month 11 Month 12 24 Annually 1 500 00 1860 Balance 6 Quarterly 1 500 00 1590 16 85 4 2 Monthly 1 500 00 1786 551 1843 7 1530 1560 6 1591 8 1623 6 1656 1 P
Algebra
Matrices & Determinantsa Solve the following system of linear equation using Gauss elimination method Y 2z 2 I X 2y 2x ay 2 52 2 b b Find the condition on a and b such that the system has infinitely many solution c If b 4 Is the system of linear equation non homogeneous Give a reason
Algebra
Matrices & DeterminantsSimplify the expression 3p q4 6 6 3p q4 Simplify your answer Use integers or fractions for any numbers in the or
Algebra
Matrices & Determinants3 Let A 6 1 3 1 and u 3 C 5 15 B3 c 23 a Compute Au and Ac if possible If not possible explain why not b Does the matrix equation Ar c have a solution c Does the matrix equation Ar b have a solution for any choice of b R d Restate the above question as a computationally equivalent question as done in page 2 of the notes
Algebra
Matrices & DeterminantsWhat is the equation of the graph that represents the parent function f x x stretched vertically by a factor of 2 and then shifted up 3 spaces A g x 2 x 3 OB g x 2x 3 C g x 2x 3 OD g x 2 x 3 4
Algebra
Matrices & DeterminantsUse the unit fractions 36 in 1 yd Convert 6 yd to cm and 2 54 cm 1 in 6 yd is cm Type an integer or decimal rounded to the nearest hundredth as needed
Algebra
Matrices & DeterminantsThe following system has an infinite number of solutions Form an augmented matrix then write the matrix in the reduced form Write the reduced form of the matrix below and then write the solution in terms of z The required augmented matrix is where 11 1 a21 0 a315 and x 0 7 a12 2 1 4 a22 a32 2 3 3 a13 2 1 a23 1 a33 1x 2x 3x 3 2y 2z 4 4y 12 2 2y 3z 6 a11 a21 a31 1 1 a12 a13 b b2 a22 a23 a32 a33 b3 b b b3 4 1 2 6 y 2
Algebra
Matrices & DeterminantsFor the following matrix A 1 1 1 1 1 1 1 1 1 a Find the eigenvalues Explain how you can determine one eigen value A without any calculations b For each eigenvalue find the corresponding eigenvector s c Starting with the eigenvectors you found in b construct a set of orthonormal vectors using the Gram Schmidt procedure
Algebra
Matrices & Determinantseneral Form f x a x h k h is negative the graph shifts h units to the h is positive the graph shifts h units to the k is positive the graph shifts h units to the k is negative the graph shifts h units to the a there is a vertical stretch there is a vertical compression negative in front of the grouping symbol reflects the graph across the a
Algebra
Matrices & DeterminantsPOLITICS The approval rating R t measured as a percent of a clas officer during her 9 month term starting in September is described by the graph where t is her time in office Percentage 8 8 8 8 40 20 2 Check 4 Months During which month is the approval rating increasing 6 8 October Choose December Choose April Select one Choose The graph below represents y x 41 2 2 O
Algebra
Matrices & DeterminantsIn a volcano erupting lava flows continuously through a tube system about 16 kilometers to the sea Assume a lava flow speed of 0 5 kilometer per hour and calculate how long it takes to reach the sea It takes hours to reach the sea Type an integer or a decimal CE
Algebra
Matrices & DeterminantsWhich inequality is represented by the graph y x 3 0y r 3 Oy x 3 Oy x 3 y 5 4 3 2 1 5 4 3 2 1 2 3 2 3 4 5
Algebra
Matrices & DeterminantsAdd the polynomials Express the answer in standard form 5p 3p 5 3 3p 3p 5p 3p 5 3 3p 3p Type your answer in standard form
Algebra
Matrices & DeterminantsAdd the polynomials 5x 5 4x 4 5x 5 4x 4 Simplify your answer Type your answer in standard
Algebra
Matrices & DeterminantsSolve 006 5xt2 6 3 x 30 3 70h 2 11 Find the error 9x 18 3x 1 9x 18 2 9x 20 x 20 22 5 3 16 and correct it identify the terms and the coefficients of the expression 0 20 5p 7z identify the factors of the terms of expression The number of bees that visit a plant is 500 times the of plant is alive where represents the of years the plant is alive What does the expression 500 represents years the the price of a sandwich is 150 more than the price of a smoothie which is d dollars What does expression dit 105 represent curite an algebraic expresion to model the given content Give your answer in simple form 20 The price of a pair of shees plus 5 Sale tar
Algebra
Matrices & DeterminantsFrom the table below find f 0 and f 30 Find two values of x for which f x 15 Explain why f x is a function x f x Enter the answers for x in increasing order f 0 30 f x 15 when x THE 0 30 15 15 30 0 45 15 60 30 and x THE
Algebra
Matrices & DeterminantsSimplify the following expression by combining like terms 4 z 5 8z 4 z 5 8z
Algebra
Matrices & DeterminantsEvaluate the expression when a 8 b 9 and c 2 b 4ac 6 4ac 2 when a 8 b 9 and c 2 Simplify your answer
Algebra
Matrices & DeterminantsCombine like terms in the following expression 5a 3b 8a 4b 4 5a 3b 8a 4b 4 Simplify your answer
Algebra
Matrices & DeterminantsFind a basis for the subspace spanned by the given vectors What is the dimension of the subspace 5 7 16 2 18 3 5 3 6 3 A basis for the subspace is given by Use a comma to separate vectors as needed
Algebra
Matrices & DeterminantsDetermine the place value of the digit 3 in the whole number 3587 Choose the correct answer below O tens O hundreds Othousands O ones
Algebra
Matrices & DeterminantsHello Evaluate the determinant 60 0 1 5 7 5 3 6 The value of the determinant is
Algebra
Matrices & DeterminantsTriangle ABC is translated using matrix subtraction Which represents the resulting vertices after the translation
Algebra
Matrices & Determinants10 1 point The solution to the system of equations is 1 7 5x y 12 4x y 3 True False
Algebra
Matrices & Determinants8 1 point Solve the system of equations by substitution 7x 2y 13 x 2y 11 O 3 4 infinite solutions 2 5 3 4
Algebra
Matrices & DeterminantsWrite the equation of the ellipse that has a center at 5 1 a vertex at 5 8 and a covertex at 1 1
Algebra
Matrices & DeterminantsSolve the following inequality and graph your solution 2x 8 24 4x X ame 6x 2417x Possible solution Wednesday Thursday Homework 16 mplify the expressions 2 x 3 4 x 5 x 3 5 What value of x makes the equation true 4 3 2 x 3 x 6 8 What is the solution to x 5 2 x 3 x 23 3 Friday Homework Name Solve the following equations for y 3x 7y 1 2 6 y 3 1 2x
Algebra
Matrices & Determinantsa State and prove the Cayley Hamilton The b Let T be a linear operator defined on a vector space V F for n Zt Let A be a matrix representation for T with respect to some basis for V i Prove that the minimum polynomial of a linear operator T is well defined Hint Prove existence and uniqueness 7 marks ii Shout that is an oigonumlue of the linear operator A if and only if
Algebra
Matrices & Determinants5 09 HC A message in a bottle is floating on top of the ocean in a periodic manner The time between periods of maximum heights is 26 seconds and the average height of the bottle is 12 feet The bottle moves in a manner such that the distance from the highest and lowest point is 6 feet A cosine function can model the movement of the message in a bottle in relation to the height Part A Determine the amplitude and period of the function that could model the height of the message in a bottle as a function of time t 5 points Part B Assuming that at t 0 the message in a bottle is at its average height and moves upwards after what is the equation of the function that could represent the situation 5 points Part C Based on the graph of the function after how many seconds will it reach its lowest height 5 points LL Font Family AAT A E
Algebra
Matrices & Determinants3 05 01 5 05 5 07 MC Let 8 8 7 3 Part A What is a coterminal angle of 8 such that 0 0 2n 5 points Part B What are the exact values of all six trigonometric functions evaluated at 6 10 points
Algebra
Matrices & DeterminantsLet L PR by L P p plos p 1 Compute the representation matrix for L the bases 1 x x x x x 23 on bor L w r t Pri 4