Algebra 2-Flashcard 3.1-3.7

Front

What is the result of subtracting 4 from 3?

Back

-1

Tags

CCSS.7.NS.A.1C

Front

What is the result of subtracting 13 from 8?

Back

-5

Tags

CCSS.7.NS.A.1C

Front

Solve the system of equations using substitution: -x + y = 5 and -2x + y = 4. What is the ordered pair (x,y)?

Back

(1, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

If two matrices A (3x2) and B (2x1) are multiplied, what is the dimension of the product?

Back

(3 x 1)

Tags

CCSS.HSN.VM.C.8

Front

Solve the system of equations: 7x + 6y = 12 and -10x - 7y = -14. What is the ordered pair (x,y)?

Back

(0, 2)

Tags

CCSS.HSA.REI.C.9

Front

Evaluate the determinant of the matrix: | 2 3 | | 4 5 |

Back

-8

Front

What is the definition of a matrix?

Back

A rectangular array of numbers arranged in rows and columns.

Front

What is the substitution method in solving systems of equations?

Back

A method where one equation is solved for one variable, which is then substituted into the other equation.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What does it mean for matrices to be compatible for multiplication?

Back

The number of columns in the first matrix must equal the number of rows in the second matrix.

Tags

CCSS.HSN.VM.C.8

Front

What is the solution to the equation 2x + 3 = 7?

Back

x = 2

Tags

CCSS.7.EE.B.4A