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Contenido principal

STANDARDS

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US-AL

Math

Alabama Math

Algebra II with Statistics: Number and Quantity

Together, irrational numbers and rational numbers complete the real number system, representing all points on the number line, while there exist numbers beyond the real numbers called complex numbers.

A2.1

Identify numbers written in the form a + bi, where a and b are real numbers and i^2 = –1, as complex numbers.

A2.1.a

Fully covered
Add, subtract, and multiply complex numbers using the commutative, associative, and distributive properties.

Matrices are a useful way to represent information.

A2.2

Not covered
Use matrices to represent and manipulate data.
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A2.3

Fully covered
Multiply matrices by scalars to produce new matrices.

A2.4

Not covered
Add, subtract, and multiply matrices of appropriate dimensions.
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A2.5

Describe the roles that zero and identity matrices play in matrix addition and multiplication, recognizing that they are similar to the roles of 0 and 1 in the real numbers.

A2.5.a

Fully covered
Find the additive and multiplicative inverses of square matrices, using technology as appropriate.

A2.5.b

Mostly covered
Explain the role of the determinant in determining if a square matrix has a multiplicative inverse.