x-2y+3: =-1 Solve the system of equations using the inverse matrix method: 2x +3y-z = 2 .Clearly state the 3x-y+ 7 invers of the coefficient matrix (using fractions) and use your graphing calculator tomultiply the appropriate matrices to get the solution to the system of equations.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Matrices And Determinants
Section: Chapter Questions
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Question 7 please.

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Page
of 2
ZOOM +
x-2y+32 =-1
7
Solve the system of equations using the inverse matrix method: 2.x +3y-z = 2 . Clearly state the
3x - y+: = 7
invers of the coefficient matrix (using fractions) and use your graphing calculator tomultiply the
appropriate matrices to get the solution to the system of equations.
8. A nutritionist is studying the effects of nutrients folic acid, choline, and inositol. She has three types of
food available, and each type contains the following amounts of these nutrients per ounce. How many
ounces of each food should the nutritionist feed his laboratory rats if he wants their daily diet to
contain 10 mg of folic acid, 14 mg of choline, and 14 mg of inositol? Write a system of equations for
this situation, determine the inverse of the coefficient matrix using vour granhing calculator anduse
D 247954226 40114. jpg
271860403 40776. png
272185097 15938.. jpg
D 272618097 31935.jpg
Transcribed Image Text:Page of 2 ZOOM + x-2y+32 =-1 7 Solve the system of equations using the inverse matrix method: 2.x +3y-z = 2 . Clearly state the 3x - y+: = 7 invers of the coefficient matrix (using fractions) and use your graphing calculator tomultiply the appropriate matrices to get the solution to the system of equations. 8. A nutritionist is studying the effects of nutrients folic acid, choline, and inositol. She has three types of food available, and each type contains the following amounts of these nutrients per ounce. How many ounces of each food should the nutritionist feed his laboratory rats if he wants their daily diet to contain 10 mg of folic acid, 14 mg of choline, and 14 mg of inositol? Write a system of equations for this situation, determine the inverse of the coefficient matrix using vour granhing calculator anduse D 247954226 40114. jpg 271860403 40776. png 272185097 15938.. jpg D 272618097 31935.jpg
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