Algebra 2 1.6 - 2.2

Question 1

A _____ is a rectangular arrangement of numbers.

Answer 1

matrix

Question 2

The ____ of a matrix with m rows and n columns are m x n.

Answer 2

dimensions

Question 3

The numbers in a matrix are its ____.

Answer 3

elements

Question 4

A matrix derived from a system of linear equations using coefficients and the constant is the ____ of the system.

Answer 4

augmented matrix

Question 5

The sum or difference of 2 matrices with different dimensions in ____.

Answer 5

undefined

Question 6

____ is plural for the word matrix.

Answer 6

matrices

Question 7

A ____ is a function that can be written in the form f(x) = a(x-h)^2 + K, where a does not equal 0.

Answer 7

quadratic function

Question 8

The u-shaped graph of a quadratic function is called a ____.

Answer 8

parabola

Question 9

The lowest point on a parabola that opens up or the highest point on a parabola that opens down is the ____.

Answer 9

vertex

Question 10

The ____ of a quadratic function is f(x)+a(x-h)^2+k, where a does not = 0 and the vertex is (h,k)

Answer 10

vertex form

Question 11

An ____ of a parabola is a line that divides that parabola into mirror images and passes through the vertex.

Answer 11

axis of symmetry

Question 12

Quadratic functions can also be written in ____, f(x)=ax^2 + bx + c, where a does not = 0

Answer 12

standard form