Linear Functions - Keystone Algebra

Linear Functions - Keystone Algebra

9th - 12th Grade

14 Qs

quiz-placeholder

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Linear Functions - Keystone Algebra

Linear Functions - Keystone Algebra

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

Created by

Kristen Ulshafer

Used 8+ times

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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Anna's Baker charges a delivery fee of $10.95 for one delivery order of cupcakes. Each cupcake in the order costs $1.15. Which equation describes the relationship between the number of cupcakes ordered (x) and the total cost (y), in dollars, of the deliver order?

y = 1.15x

y = 12.10x

y = 1.15x + 10.95

y = 10.95x + 1.15

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which set of ordered pairs is a function?

{(-10, 4), (-8, 3), (-8, 2), (-4, 1)}

{(-2, 4), (0, 4), (2, 4), (2, 6)}

{(1, 5), (1, 6), (2, 7), (3, 8)}

. {(-1, 1), (0, 0), (1, 1), (2, 2)}

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A graph of a relation is shown below:
Which statement about the relation is true? 

The relation is not a function of x because all functions are linear
The relation is a function of x because values of x increase towards infinity
The relation is a function of x because each value of y corresponds to one value of x
The relation is not a function of x because more than one value of y may correspond to the same value of x

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

The graph below shows the relationship between the number of minutes (x) that have passed since an airplane began its decent and height above the ground (y), in feet, of the airplane.
Based on the graph, how long after it starts its decent will the airplane reach a height of 3,000 feet?

14 minutes
16 minutes
28 minutes 
32 minutes

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation in y = mx + b form for the total cost of x pounds of fruit from the orchard.

y = 3x + 2.5
y = 2.50x + 3
y = 2.50x 
y = 3x + 2.50

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

You plan to go snowboarding. The resort charges $15 an hour in addition to $25 to rent a board. Write an equation that represents the cost to go snowboarding for the day.

y=15x-25
15x+25y=100
25x+y=15
y=15x+25

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A holiday meal costs $12.50 a person plus a delivery fee of $30.  Which equation represents the amount a holiday meal costs, including delivery, for x people?

y = 30 + 12.5x 
y = 12.5 + 30
y = 12.5 + 30x

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