Find the solutions to the given trinomial -3x^2 - 2x - 1 = 0

Find the solutions to the given trinomial -3x^2 - 2x - 1 = 0

Assessment

Interactive Video

Mathematics, Information Technology (IT), Architecture

11th Grade - University

Hard

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The video tutorial explains how to solve quadratic equations by factoring. It begins with an introduction to the problem of solving quadratics and the need for a different method than linear equations. The instructor then explains the factoring method, including how to handle cases where the leading coefficient is greater than one. The process involves rewriting the equation, grouping terms, and solving for X. The tutorial concludes with finding the solutions to the quadratic equation.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main challenge in solving the given quadratic equation compared to a linear equation?

The absence of a solution.

The equation is already solved.

The presence of both x^2 and x terms.

The presence of a constant term.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When factoring a quadratic equation with a leading coefficient greater than one, what is the first step?

Find two numbers that add to give the constant term.

Multiply the leading coefficient by the constant term.

Divide the equation by the leading coefficient.

Subtract the constant term from both sides.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What two numbers are found to multiply to -3 and add to -2 in the factoring process?

-1 and 3

-3 and 1

2 and -1

1 and 3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of grouping terms in the quadratic equation?

To eliminate the x^2 term.

To find the constant term.

To prepare for factoring by grouping similar terms.

To simplify the equation.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the solutions to the quadratic equation after factoring and solving?

x = 0 and x = 1

x = 1 and x = -1/3

x = -1 and x = 3

x = 2 and x = -1