Understanding Absolute Values and Solutions

Understanding Absolute Values and Solutions

Assessment

Interactive Video

Mathematics

6th - 8th Grade

Hard

Created by

Lucas Foster

FREE Resource

The video tutorial explains how to solve an equation involving absolute value. It begins by introducing the problem of finding x in the equation |2x - 15| = -15. The instructor explains the concept of absolute value, emphasizing that it represents the distance from zero and is always non-negative. The video then analyzes why the given equation has no solution, as absolute values cannot be negative. The tutorial concludes by reinforcing that the equation has no solution due to the properties of absolute value.

Read more

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equation that needs to be solved in the video?

|2x - 15| = -15

2x + 15 = -15

2x - 15 = 15

|2x + 15| = 15

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the absolute value of a number represent?

The square of the number

The number itself

The negative of the number

The distance from zero

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the absolute value of -15 is taken, what is the result?

-15

0

15

30

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't an absolute value be negative?

Because it is always a fraction

Because it is always a whole number

Because it represents a distance

Because it is always zero

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the smallest possible value of an absolute value?

One

Zero

Negative one

Negative infinity

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the conclusion about the equation |2x - 15| = -15?

It has no solution

It has infinite solutions

It has two solutions

It has one solution