Evaluating Functions
8th - 12th Grade
•17 Qs
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Evaluating Functions
Quiz
•
Mathematics
•
8th - 12th Grade
•
Practice Problem
•
Medium
+1
Standards-aligned
Caity Armstrong
Used 2K+ times
FREE Resource
About this resource
This quiz focuses on evaluating functions, a fundamental algebraic concept appropriate for grades 8-9. The questions systematically build students' skills in function evaluation, starting with simple linear functions like y = x + 5 and progressing to more complex expressions including quadratic functions such as f(x) = 2x² + 5x - 17. Students must demonstrate their understanding of substitution by replacing variables with given values and performing accurate arithmetic calculations, including operations with negative numbers and exponents. The quiz also assesses conceptual understanding by requiring students to identify the definition of a function and distinguish between sets of ordered pairs that represent functions versus those that don't, reinforcing the critical "one input, one output" relationship that defines functional relationships. Created by Caity Armstrong, a Mathematics teacher in US who teaches grade 8-12. This quiz serves as an excellent tool for formative assessment, allowing teachers to gauge student comprehension of function evaluation before advancing to more complex topics like graphing or transformations. The progression from basic substitution problems to conceptual questions makes it ideal for use as guided practice during initial instruction, homework to reinforce classroom learning, or a review activity before summative assessments. Teachers can use this quiz as a warm-up to activate prior knowledge or as an exit ticket to check for understanding at the end of a lesson. The variety of function types and complexity levels aligns with standards 8.F.A.1 and F.IF.A.2, which focus on understanding functions as rules that assign exactly one output to each input and evaluating functions for specific values within their domains.
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17 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Evaluate y = x + 5 when x = 3.
Tags
CCSS.6.EE.A.2C
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Evaluate y = 7x when x = -5
Tags
CCSS.6.EE.A.2C
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Evaluate y = 4x - 1 when x = 10.
Tags
CCSS.6.EE.A.2C
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Evaluate f(-2) if f(x) = x+3
Tags
CCSS.HSF.IF.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given
f(x)= 2x2 + 5x - 17, find f(-1).
Tags
CCSS.HSF.IF.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For what value of x does f(x) = -2?
Tags
CCSS.HSF.IF.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Evaluate the function for the given value:
Tags
CCSS.HSF.IF.A.2
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