Function rule

Function rule

6th - 8th Grade

15 Qs

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Function rule

Function rule

Assessment

Quiz

Mathematics

6th - 8th Grade

Hard

Created by

Quizizz Content

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

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.

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