Evaluating Functions and Functions in Context

Evaluating Functions and Functions in Context

8th Grade

20 Qs

quiz-placeholder

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Evaluating Functions and Functions in Context

Evaluating Functions and Functions in Context

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
HSF.IF.A.2, HSF.LE.B.5, 8.F.A.1

+1

Standards-aligned

Created by

Barbara White

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How would you write y = 2x - 3 in function notation?

y = 2x-3

f = 2x - 3

f(x) = 2x-3

Tags

CCSS.HSF.IF.A.2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How do you read f(x)?

f x

f of x

f parenthesis x

f with an x inside parenthesis

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If a question asks you to find f(2), what does that mean?

Let x = 2

Let y = 2

Tags

CCSS.HSF.IF.A.2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If f(x) = 2x + 1, what would be your first step to find f(1)?

Plug a 1 in for all the x's

Set the function equal to 1

Only plug a 1 into the left side

Only plug a 1 into the right side

Tags

CCSS.HSF.IF.A.2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

f(x) = 21+1

f(1) = 2 (1) + 1

f(1) = 2x (1) + 1

Tags

CCSS.HSF.IF.A.2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If I know that f(2) = 4, what is another way I can write my answer?

2,4

(2, 4)

That is the only way to write it.

Tags

CCSS.HSF.IF.A.2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If f(x) = -3x - 8, find f(-1).

f(-1) = 5

f(-1) = -5

f(-1) = -12

f(-1) = -10

Tags

CCSS.HSF.IF.A.2

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