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Kuta Software - Infinite Algebra 2 Name___________________________________
Period____
Date________________
Matrix Equations Not Requiring Inverses
Solve each equation.
1)
−5 5
−20
= 5B 2) A +
−9
−8
−9 =
−6
−11
−2
3)
−10 4 3
= Y − 7
−5
−11
4) 5B = 40 35
5) −4 −9 12 − Z = −12 −5 7
6) 2X = 4 6
−20
7) −18 8 −11 = −9 8 −8 −
3X
8) −5 31
32 30 = 3 −5 0 −2 + 4X
9)
−3X − 10
0
−5 0
=
−25
−30
−22 9
10)
−17
−9
−30
−12 =
−2B +
−3 11
−8
−6
-1-
©S I2x0C1F2z rKSu3tAal 5SwoVfVtWwrafrxeF OL2LfCp.n h WAglUle krYiIgZhItssd Vrueps3eurJvJendo.o F 2MnatdReF 5wriotIhS qIsnQftiQnDi6theL yAdl1gvetbYrBab C27.9 Worksheet by Kuta Software LLC
11) 6 4
−7
−15 =
−2X −
−2 10 7 9
12)
−2Y −
−10 −5
−7 −11 = 24 −7 19 5
13)
4C −
0 4 −4
−8 6 −6 = 16 0 0
0 −6 14 14)
−4A −
−3 5
−7 −1 2 −2
=
31 −17
3 5
30 −30
15)
−4B − 5 2
−6 =
−33
−2
−22
16) −20 33 15 −15 =
4X +
−8 1
7 1
17)
−2A − −7 −8
7 6 = 23 14
−3 −20 18)
−4C − 3 −4
4 −1 = 17 4 28 1
19) 2M + 5 4
−1 8 = −6 2
0 4 − M 20) 5 1 −8 − M
4
= −2 −1 3
-2-
©p U2c0F1R2L 4KUuvt1aa USoo3fPtUwda4rbe6 JLILMCI.u e TAdlYlv 6rWitgih4tisO IrFeHsAeBr3vzePdy.u P mMQa2dLeh fw6iutdh4 mIpnWfFidn1iktHeG MArlYgLeFbxr5ay T2k.S Worksheet by Kuta Software LLC
Kuta Software - Infinite Algebra 2 Name___________________________________
Period____
Date________________
Matrix Equations Not Requiring Inverses
Solve each equation.
1)
−5 5
−20 = 5B
−1 1
−4
2) A +
−9
−8
−9 =
−6
−11
−2 3
−3 7
3)
−10 4 3
= Y − 7
−5
−11
−3
−1
−8
4) 5B = 40 35 8 7
5) −4 −9 12 − Z = −12 −5 7
8 −4 5 6) 2X =
4 6
−20 2 3
−10
7) −18 8 −11 = −9 8 −8 −
3X 3 0 1
8) −5 31
32 30 = 3 −5 0 −2 + 4X
−2 9 8 8
9)
−3X − 10
0
−5 0
=
−25
−30
−22 9 5
10 9
−3
10)
−17
−9
−30
−12 =
−2B +
−3 11
−8
−6 7
10 11 3
-1-
©y v2o081d2u vKpu2tlaF 5SKoDfQtfwzaLrZec tLrLnCi.M F 1AElflc srtitgUhetmsz Jr2eos7eqr9v1eQdF.2 T UMDaLd1eL WwhiltihB sIanDfbiinGiMtYe2 9AQlPg2enbtrVab S2k.A Worksheet by Kuta Software LLC
11) 6 4
−7
−15 =
−2X −
−2 10 7 9
−2
−7 0 3
12)
−2Y −
−10 −5
−7 −11 = 24 −7 19 5
−7 6
−6 3
13)
4C −
0 4 −4
−8 6 −6 = 16 0 0
0 −6 14
4 1 −1
−2 0 2
14)
−4A −
−3 5
−7 −1 2 −2
=
31 −17
3 5
30 −30
−7 3 1 −1
−8 8
15)
−4B − 5 2
−6 =
−33
−2
−22 7
0 7
16) −20 33 15 −15 =
4X +
−8 1
7 1
−3 8 2 −4
17)
−2A − −7 −8
7 6 = 23 14
−3 −20
−8 −3
−2 7
18)
−4C − 3 −4
4 −1 = 17 4 28 1
−5 0
−8 0
19) 2M + 5 4
−1 8 = −6 2 0 4 − M
−11 3
−2 3 1
3
−4 3
20) 5 1 −8 − M 4
= −2 −1 3
28 8 −44
-2-
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