Linear Functions
Matrices
Roots
Graphing
Quadratic Functions
200

The highest power of x in a linear function.

What is 1?

200

The numbers in a matrix at (1,1), (2,2), and (3,3) are along this.

What is the main diagonal?

200

y = 2x-5

What is 5/2 or 2.5?

200

The slope of this line.

What is -3?

200

The highest power of x in a quadratic function.

What is 2?

400

A horizontal line has this slope.

What is 0?

400

The name of the process of turning any matrix into row echelon form.

What is row reduction or Gaussian Elimination?

400

These numbers are the possible numbers of roots of a quadratic function.

What are 0, 1, and 2.

400

This is the sign of the x^2 term for the graph: 

What is negative?

400

We would use this value for the variable b in the quadratic equation given 

y = 2x^2-8x+16

What is -8?

600

The y-intercept of 

y = 3x + 4

What is 4?

600

The minimum number of zeros in a 4 x 4 matrix that is in row echelon form.

What is 6?

600

y = x^2 + 9x

What are 0 and -9

600

The number of roots of this quadratic function.

What is 0?

600

b^2-4ac

What is the discriminant?

800

The slope of a line that is perpendicular to 

y = 2x

What is -1/2?

800

The number of zeros in a 4 x 4 identity matrix

What is 12?

800

y = 2x^2 - 4x -6

What are -1 and 3?

800

This is the quadratic’s k value in vertex form.

What is 1?

800

What is the most simplified form of the roots of 

y=x^2-4x+2

What is 

2 \pm sqrt(2)

1000

The point where the following two lines meet.

y = 3x and y = -2x+5

What is [1,3]?

1000

Other than multiplication/division and row addition/subtraction, this is the third matrix operation we use in Gaussian Elimination.

What is row swapping?

1000

y = 9x^2 - 12x - 23

What are 

2/3+sqrt(3) and2/3 - sqrt(3)

1000

This is the h value in vertex form.

What is 2?

1000

Two of these types of roots are found when the discriminant of the quadratic equation is negative.

What is imaginary?