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Functions Discrete or Continuous

Authored by Robert Knowles

Mathematics

8th Grade

CCSS covered

Used 3+ times

Functions Discrete or Continuous
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30 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Would the graph be CONTINUOUS or DISCRETE?
A girl was walking home at a steady pace. Then she stopped to talk to a friend. After her friend left, she jogged the rest of the way home.

Continuous
Descrete

Tags

CCSS.8.EE.B.5

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Identify the Independent and Dependent Variables, then write a function rule.
A baker spends $6 on ingredients for each cake he bakes.

Ind: Cost
Dep: Cakes
y = 6x
Ind: Cakes
Dep: Cost
y = x + 6
Ind: Cost
Dep: Cakes
y = x + 6
Ind: Cakes
Dep: Cost
y = 6x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

What type of graph this?

Continuous
Discrete

Tags

CCSS.8.EE.B.5

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which is the dependent variable?
A= # of hours worked
B= amount of your paycheck

A
B

Tags

CCSS.6.EE.C.9

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Write a function rule for the statement.

The Output "y" is 2 less than the Input "x"

y = 2 – x
y = x – 2
y = 2x
y = x/2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Evaluate the function for x = (-1) by plugging in -1 in place of every x
y=x2-2x+1

y =4
y = 0
y = 2
y = -1

Tags

CCSS.HSF.IF.A.2

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Is the relation a function? Why.

Yes, because the x-value 11 has two y-values pair with it.
Yes, because each x-value has only one y-value paired with it.
No, because the x-value 11 has two y-values pair with it.
No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

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