Identifying Y-intercept(Graphs)

Identifying Y-intercept(Graphs)

8th Grade

15 Qs

quiz-placeholder

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Identifying Y-intercept(Graphs)

Identifying Y-intercept(Graphs)

Assessment

Quiz

Mathematics

8th Grade

Easy

Created by

Quizizz Content

Used 13+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If a line has a slope of -1, what does that indicate about its direction?

The line is horizontal, indicating no change in y as x changes.

The line is vertical, indicating an undefined slope.

The line has a downward slant from left to right, indicating that for every unit increase in x, y decreases by 1 unit.

The line has an upward slant from left to right, indicating that for every unit increase in x, y increases by 1 unit.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does the slope of a line represent?

The slope of a line represents the rate of change of y with respect to x.

The slope of a line represents the distance between two points on the line.

The slope of a line represents the angle of the line with the x-axis.

The slope of a line represents the total length of the line segment.

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How do you find the y-intercept from a linear equation?

Set x to 0 and find the value of y.

Set y to 0 and find the value of x.

Use the slope-intercept form to calculate the slope.

Add the values of m and b.

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does a negative y-intercept indicate about a line?

A negative y-intercept indicates that the line crosses the y-axis below the origin.

A negative y-intercept indicates that the line is horizontal.

A negative y-intercept indicates that the line has a positive slope.

A negative y-intercept indicates that the line crosses the x-axis below the origin.

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the significance of the y-intercept in real-world scenarios?

It represents the slope of a line in a graph.

It indicates the maximum value of a function.

It can represent the starting value of a situation in real-world contexts, such as initial costs or starting quantities.

It shows the relationship between two variables.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If a line crosses the y-axis at (0, 2), what is the y-intercept?

1

2

3

4

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the y-intercept of the equation y = -2x - 6?

-6

-2

0

6

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