Linear Systems Matrix

What is the entry at r₃₁?

• 3

• 1

• 4

• 7

Determine whether the given matrix are identity matrix?

Tags

CCSS.HSN.VM.C.10

What is the solution?

• (1, -1)

• (-1, 1)

• (0, -2)

• (0, 1)

Tags

CCSS.8.EE.C.8B

Which of the following are ways to solve systems of equations? 

• Graphing

• Substitution

• Elimination

• All of the above

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

A system of equations that does not have a unique solution but has infinitely many solutions

• matrix

• translation

• inconsistent system

• dependent system

Tags

CCSS.8.EE.C.8B

The rectangular array of numbers used as the “opposite” to “undo” multiplication in an matrix equation

• inverse matrix

• translation

• identity matrix

• equal matrix

Tags

CCSS.HSA.REI.C.9

A process for solving systems of equations where one equation is added to another equation to “remove” one variable and allow to solve for the other. Then, the first variable is substituted to find the second

• elimination

• transformation

• dilation

• substitution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

In a matrix, ad-bc, used as the denominator in a scalar for multiplication in finding the inverse matrix

• determinant

• scalar

• dilation

• translation

Tags

CCSS.HSA.REI.C.9

A method of solving a system of equations where the “value” of one variable is inserted into the other equation and solved for the single variable

• elimination

• substitution

• rotation

• reflection

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

A system of equations that has no solution

• inverse matrix

• reflection

• inconsistent system

• dependent system

Tags

CCSS.8.EE.C.8B