Unit 3 Math 2 Review

Front

What is the domain of a function?

Back

The domain of a function is the set of all possible input values (x-values) for which the function is defined.

Front

What is the domain of the function in the graph?

Back

[0, infinity)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Front

How do you identify an element in a matrix?

Back

To identify an element in a matrix, refer to its row and column indices. For example, the element in the second row, third column is found by locating the second row and then the third column.

Front

What is the element in the second row, third column of Matrix R?

Back

6

Front

What does the expression 2A - 3B represent in matrix operations?

Back

It represents the result of multiplying matrix A by 2, multiplying matrix B by 3, and then subtracting the two resulting matrices.

Front

Calculate 2A - 3B for given matrices A and B.

Back

-14 -5 11 -3

Front

What is a system of equations?

Back

A system of equations is a set of two or more equations with the same variables.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

How do you solve a system of equations?

Back

You can solve a system of equations using methods such as substitution, elimination, or matrix operations.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What does the solution (2,2,0) represent in a system of equations?

Back

It represents the values of the variables a, b, and c that satisfy all equations in the system.

Front

What is a matrix?

Back

A matrix is a rectangular array of numbers arranged in rows and columns.