Gaussian Elimination

Gaussian Elimination

Created by Mr.Lafferty@mathsrevision.com

Gaussian Elimination Practice

Solve the following

Reveal Answer

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C1 = Random(-9, 9)
B1 = Random(-5, 5)
A1 = Random(-9, 9)
B2 = Random(-9, 9)
A2 = Random(-5, 5)
C2 = Random(-9, 9)
A3 = Random(-6, 6)
B3 = Random(-5, 5)
A5 = Random(-9, 9)
A6 = Random(-9, 9)
C3 = Random(-5, 5)
A7 = Random(-9, 9)
A9: (A1 * A5) + (B1 * A6) + (C1 * A7)
A10: (A2 * A5) + (B2 * A6) + (C2 * A7)
A11: (A3 * A5) + (B3 * A6) + (C3 * A7)
M_1: {{A1, B1, C1}, {A2, B2, C2}, {A3, B3, C3}}
M_2: {{A9}, {A10}, {A11}}
M_3: {{A5}, {A6}, {A7}}
a: B2 ≟ Random[-5, 5]
b: C3 ≟ Random[-5, 5]
A = (7.186, -0.144)
B = (8.506, -0.144)
text3: " " + (LaTeX[M_1]) + ". \;  \;  \;  \;  \;  \;  \;  \;  \;  \; \;  \;  \;  \;  \;  \;   =" + (LaTeX[M_2]) + ""
j: false
text4: "answer  \; x,y,z=" + (LaTeX[M_3]) + ""