What does the 'b' represent in the equation y = mx + b?
Function rule

Quiz
•
Mathematics
•
6th - 8th Grade
•
Hard
Quizizz Content
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The slope of the line
The y-intercept, which is the point where the line crosses the y-axis.
The x-intercept, which is the point where the line crosses the x-axis.
The constant term in the equation.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is a function rule?
A mathematical expression that describes the relationship between input (x) and output (y) values in a function.
A graphical representation of a function on a coordinate plane.
A set of instructions for solving equations.
A method for calculating the area under a curve.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How do you determine the missing x-value in a function?
You can rearrange the function rule to solve for x using the known output value.
You can substitute the known output value directly into the function.
You can graph the function and find the intersection point.
You can ignore the output value and use the function's domain.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the output of the function y = 2x + 1 when x = -1?
y = 0
y = 1
y = -1
y = 2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the function rule for a line that passes through the points (1, 4) and (2, 6)?
y = 2x + 2
y = 3x + 1
y = x + 5
y = 4x - 2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If Molly's age is represented by 'm', how do you express Myles' age if he is 3 years older than Molly?
m + 3
m - 3
3m
m + 1
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What does it mean if a function is linear?
A linear function is one that graphs as a straight line, meaning it has a constant rate of change.
A linear function is one that can be represented by a quadratic equation.
A linear function is one that has varying rates of change depending on the input.
A linear function is one that only includes positive integers.
Create a free account and access millions of resources
Similar Resources on Quizizz
10 questions
Relations and Functions

Quiz
•
8th Grade
20 questions
Relations and Functions

Quiz
•
6th Grade
15 questions
Functions from Tables and Writing Functions

Quiz
•
6th Grade
20 questions
Equations as Functions

Quiz
•
7th - 10th Grade
17 questions
Relations and Functions

Quiz
•
7th - 9th Grade
16 questions
Function Tables 6TH Math (6.EEI.9)

Quiz
•
6th - 7th Grade
10 questions
Function Tables

Quiz
•
6th - 8th Grade
19 questions
Math Functions

Quiz
•
6th - 8th Grade
Popular Resources on Quizizz
15 questions
Character Analysis

Quiz
•
4th Grade
17 questions
Chapter 12 - Doing the Right Thing

Quiz
•
9th - 12th Grade
10 questions
American Flag

Quiz
•
1st - 2nd Grade
20 questions
Reading Comprehension

Quiz
•
5th Grade
30 questions
Linear Inequalities

Quiz
•
9th - 12th Grade
20 questions
Types of Credit

Quiz
•
9th - 12th Grade
18 questions
Full S.T.E.A.M. Ahead Summer Academy Pre-Test 24-25

Quiz
•
5th Grade
14 questions
Misplaced and Dangling Modifiers

Quiz
•
6th - 8th Grade
Discover more resources for Mathematics
11 questions
Decimal/fraction conversions quick check

Quiz
•
5th - 7th Grade
10 questions
Identifying equations

Quiz
•
KG - University
16 questions
Function or Non-Function?

Quiz
•
8th - 10th Grade
5 questions
Multiply Decimals

Lesson
•
5th - 6th Grade
10 questions
Adding and Subtracting Decimals

Quiz
•
6th Grade
20 questions
Math Review

Quiz
•
7th Grade
15 questions
Exponent Properties

Quiz
•
7th - 9th Grade
20 questions
Circles & Polygons 2025

Quiz
•
8th Grade