Integer Solutions and Problem-Solving Techniques

Integer Solutions and Problem-Solving Techniques

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explores a complex math problem, initially approached with trial and error. The instructor foils an equation to simplify it, identifying values for variables H and K. The focus shifts to finding integer solutions for K and J, considering factors of 45. The instructor analyzes answer choices, eliminating those that don't fit, and concludes with a reflection on the problem-solving process, emphasizing the importance of visualizing the problem and using logical reasoning.

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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the initial reaction of the narrator upon encountering the problem?

Confidence in solving

Disinterest in the problem

Confusion and trial and error

Immediate understanding

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What method did the narrator first consider to tackle the problem?

Trial and error

Using a calculator

Graphical representation

Consulting a textbook

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What mathematical technique did the narrator use to simplify the equation?

Foiling

Completing the square

Graphing

Factoring

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was determined about the value of H in the equation?

H is equal to 6

H is equal to 4

H is equal to 8

H is equal to 2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must the product of K and J equal?

Zero

Negative 45

Positive 90

Positive 45

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a possible integer combination for K and J?

15 and 3

45 and 1

7 and 6

9 and 5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are decimal solutions not considered in this problem?

Decimals are not allowed in algebra

The problem specifies integer solutions

They are too complex

They are not relevant to the problem

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which choice was eliminated because it resulted in a non-integer?

Choice A

Choice B

Choice C

Choice D

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the final conclusion about the correct answer choice?

Choice A is correct

Choice B is correct

Choice C is correct

Choice D is correct