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Triangle and Quadratic Concepts

Triangle and Quadratic Concepts

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

Anil Kumar presents a quadratic equation problem involving a right triangle. The hypotenuse is 10 meters, and one side is 2 meters longer than the other. Using the Pythagorean theorem, the problem is set up as a quadratic equation. The equation is solved by factoring, leading to the valid side lengths of 6 and 8 meters. The process involves sketching the triangle, defining variables, applying the theorem, and solving the equation. The video concludes with a summary of the steps and methods used.

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the length of the hypotenuse in the given right triangle problem?

14 meters

12 meters

10 meters

8 meters

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much longer is one side of the triangle compared to the other non-hypotenuse side?

4 meters

3 meters

2 meters

1 meter

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If one side of the triangle is represented as 'X', how is the other non-hypotenuse side represented?

X + 4

X + 3

X + 2

X + 1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which theorem is used to relate the sides of the right triangle?

Remainder theorem

Fundamental theorem of algebra

Pythagorean theorem

Binomial theorem

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equation formed using the Pythagorean theorem for this problem?

X^2 + (X+2)^2 = 100

X^2 + (X+2)^2 = 10^2

X^2 + (X+2)^2 = 12^2

X^2 + (X+2)^2 = 144

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expanded form of (X + 2)^2?

X^2 + 2X + 2

X^2 + 4X + 2

X^2 + 2X + 4

X^2 + 4X + 4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of the quadratic equation before factoring?

2X^2 + 4X - 96 = 0

2X^2 + 4X - 94 = 0

2X^2 + 4X - 100 = 0

2X^2 + 4X - 98 = 0

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