Jeremy C.
asked • 08/25/12how to solve matricies
0 2 4 X 8 2 = a b
5 1 1 2 1 c d
6 3
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1 Expert Answer
Cornelia M. answered • 08/25/12
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Math Tutor - Specializing in Middle school through College
a=(0)(8)+(2)(2)+(4)(6) which equals 0+4+24=28
b=(0)(2)+(2)(1)+(4)(3) which equals 0+2+12=14
c=(5)(8)+(1)(2)+(1)(6) which equals 40+2+6=48
d=(5)(2)+(1)(1)+(1)(3) which equals 10+1+3=14
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Claudine T.
Step 1: Write the augmented matrix Step 2: Use rows one and two to create the first zero in row two. Step 3: Use rows one and three to create the second zero in row three. Step 4: Use rows two and three to create the third and final zero in row three. Step 5: Use back substitution to find the values of x, y, and z.06/03/21