Equations and Solutions Analysis

Equations and Solutions Analysis

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

The video tutorial introduces a mathematical problem involving integers a and b with opposite signs. The problem requires solving two equations derived from given ratios to find the value of a^2/b^2. The tutorial walks through the process of deriving equations from the ratios, equating them, and solving for a and b. After discarding non-integer solutions, the correct values of a and b are found, leading to the final result of 25/4 for a^2/b^2.

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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main objective of the problem discussed in the video?

To find the sum of squares of a and b

To solve for a and b individually

To find the value of a + b

To determine the value of a^2 / b^2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first equation derived from the first ratio?

a - 1 = -2b

a + 3 = -3b

a - 1 = 2b

a + 3 = 3b

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the second equation derived from the first ratio?

a + 3 = -3b

a + 3 = 3b

a - 1 = 2b

a - 1 = -2b

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first equation derived from the second ratio?

a + 3 = -3b

a - 1 = -2(b - 1)

a + 3 = 3b

a - 1 = 2(b - 1)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the second equation derived from the second ratio?

a + 3 = 3b

a + 3 = -3b

a - 1 = 2(b - 1)

a - 1 = 2(1 - b)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of equating the derived equations?

To determine the value of a^2 / b^2

To find the value of a + b

To solve for a and b individually

To find all possible solutions for a and b

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Case 1, why is the solution discarded?

a and b are not integers

a and b have the same sign

The solution does not satisfy the original equation

The solution is complex

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