Understanding the Equation a^2 - b^2 = 9

Understanding the Equation a^2 - b^2 = 9

Assessment

Interactive Video

Mathematics

8th - 10th Grade

Hard

CCSS
8.EE.C.8B, 6.EE.A.2C, 6.EE.A.1

+1

Standards-aligned

Created by

Amelia Wright

FREE Resource

Standards-aligned

CCSS.8.EE.C.8B
,
CCSS.6.EE.A.2C
,
CCSS.6.EE.A.1
CCSS.HSA.REI.C.6
,
The video tutorial explains how to solve a mathematical problem involving positive integers A and B, where a^2 - B^2 = 9. It demonstrates the use of the difference of squares to express the equation and solve for A and B. The tutorial then shows how to calculate A^2 + B^2 using the values found for A and B, resulting in a final answer of 41.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equation given in the problem that needs to be solved?

a^2 + b^2 = 9

a^2 / b^2 = 9

a^2 - b^2 = 9

a^2 * b^2 = 9

Tags

CCSS.6.EE.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a valid factorization of 9 used in the problem?

5 * 2

2 * 4.5

1 * 9

6 * 1.5

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the values of A and B after solving the system of equations?

A = 3, B = 6

A = 5, B = 4

A = 6, B = 3

A = 4, B = 5

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the value of a^2 + b^2 calculated?

By multiplying the squares of A and B

By subtracting the squares of A and B

By adding the squares of A and B

By dividing the squares of A and B

Tags

CCSS.6.EE.A.2C

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final value of a^2 + b^2?

49

41

45

36

Tags

CCSS.6.EE.A.2C