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How to complete the square with fractions then solve the equation

How to complete the square with fractions then solve the equation

Assessment

Interactive Video

Mathematics

11th Grade - University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains solving a quadratic equation by completing the square. It starts with adding 6 to the equation, then squaring -3/2 and adding it to both sides to form a perfect square trinomial. The process involves combining terms, ensuring common denominators, and solving for X. The final solution is presented as X equals 3 plus or minus the square root of 33, divided by 2.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving the quadratic equation presented in the video?

Multiply both sides by 6

Divide both sides by 6

Subtract 6 from both sides

Add 6 to both sides

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you create a perfect square trinomial from the equation?

By multiplying the coefficient of x by 2

By subtracting the square of the coefficient of x divided by 2 from both sides

By dividing the coefficient of x by 2

By adding the square of the coefficient of x divided by 2 to both sides

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the factored form of the trinomial x^2 - 3x + 9/4?

(x - 3/2)^2

(x + 3/2)^2

(x + 9/4)^2

(x - 9/4)^2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operation is performed to both sides of the equation to solve for x?

Multiplying by 2

Taking the cube root

Squaring both sides

Taking the square root

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final solution for x in the equation?

3 - sqrt(33) / 2

3 + sqrt(33) / 4

3 - sqrt(33) / 4

3 + sqrt(33) / 2

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