Grade 9 Quiz Bee

FUNCTION OR NOT

100

Determine whether the relation is a function. 

{(1,2), (2,4), (3,6)}

Function

200

Which relation is a function?

A. {(1,2), (2,3), (2,4)}

B. {(3,5), (4,5), (5,5)}

C. {(1,2), (1,3),(1,4)}

D. {(6,7), (6,8), (6,9)}

B. {(3,5), (4,5), (5,5)}

300

Which graph represents a function?

A. Passes the Vertical Line Test

B. A circle

C. A sideways parabola

D. All of the above

A. Passes the Vertical Line Test

400

A person's name paired with their birthdate. Function or Not a function

Function

DOMAIN AND RANGE

100

What is the domain in each relation {(1,2), (2,3), (3,4)}?

A. {1,2,3}

B. {2,3,4}

C. {1,2,3,4}

A. {1,2,3}

200

Find the range of the relation:

{(1,2), (3,4), (5,6)}

{2,4,6}

300

In the ordered pair (7,9), which number belongs to the domain?

7

400

It is the set of all possible input values, usually the x-values.

Domain

INDEPENDENT AND DEPENDENT

100

In the statement, "The amount of allowance affects the amount of money saved,"

What is the independent variable?

amount of allowance

200

In the statement, "The amount of time spent exercising affects calories burned. 

What is the dependent variable?

calories burned

300

It is a variable whose value depends on another variable 

dependent variable

400

The fare paid depends on the distance traveled.

Identify the independent and dependent variable 

Independent - distance traveled

dependent - fare paid

LINEAR FUNCTION

100

Which equation represents a linear function?

A. y = x² + 2

B. y = 3x + 2x -2

C. y= 3x -2

C. y= 3x -2

200

If f(x) = 3x, what is f(5)?

A. 8

B. 15

C. 5

B. 15

300

What is the F(6) = 2x + 8?

20

400

If f(x)= 9x - 4, what is f(11)?

95

SLOPE

100

What is the slope?

A. Constant 

B. Straight line

C. Steepness of the line

C. Steepness of the line

200

What is the slope of the line y = 6x - 20?

A. 6

B. 6x

C. 20

A. 6

300

What is the slope of the line y = 4x + 7?

4

400

What is the slope of the line y = -9x + 9

-9