1.3 Solving System of Linear Equation

Solving system of linear equation refer to the solving of

• Quadratic equations

• Simultaneous equations

• Polynomial

• Series

Answer explanation

Solving a system of linear equations refers to solving simultaneous equations. The task is you need to find the value of variables contained in the equations.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What are 2 matrix methods that we have learned to solve a system of linear equations in the class?

• Matrix Inversion Method

• Matrix Differentiate Method

• Cramer's Rule

• Pascal Triangle

Answer explanation

2 matrix methods that we have learned are the Matrix Inversion method and Cramer's Rule.

Tags

CCSS.HSA.REI.C.9

Find the determinant of matrix L.

• 11

• 12

• 13

• 14

Answer explanation

The determinant of matrix L = 3(8) - 2(4) = 24 - 8 = 14

Express the system of linear equation in matrix form.

• 
• 
• 
• 

Answer explanation

The answer is like a picture.

Tags

CCSS.HSA.REI.C.8

The figure shows a system in the matrix form of Ax=B. Within 5 minutes, calculate the determinant of matrix A and find the value of x and y.

Tags

CCSS.HSA.REI.C.9

The figure is a system in the form of Ax=B. Find det(A).

• 6

• 12

• 18

• 24

Answer explanation

The answer is 3(4) - -2(3) = 18

Tags

CCSS.HSA.REI.C.9

Find the value of m and n.

• m = -2, n = 1

• m = 2, n = -2

• m = 3, n = 1

• m = 3, n = -2

Answer explanation

The answer is m = 3, n = -2.

Tags

CCSS.HSA.REI.C.9