How do we solve quadratic equations

How do we solve quadratic equations

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

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The video tutorial provides an overview of solving quadratic equations, covering different methods such as inverse operations, factoring, and the quadratic formula. It explains the forms of quadratic equations, including standard and vertex forms, and discusses techniques like the square root property, factoring by GCF, and using the quadratic formula. The importance of setting equations to zero for solving is emphasized.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What distinguishes a quadratic equation from a linear equation?

It has a slope

The presence of a constant term

The variable is squared

It is always in vertex form

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When can the square root property be applied to solve a quadratic equation?

When the equation is in vertex form or y = ax^2 + c

When the equation is linear

When the equation has no constant term

When the equation is in standard form

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in factoring a quadratic equation?

Apply the quadratic formula

Set the equation equal to zero

Use the square root property

Determine the format of the equation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is used to factor a trinomial when a is not equal to 1?

Diamond method

Slope-intercept form

Square root property

Zero product property

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the zero product property used for in solving quadratics?

To find the vertex of a parabola

To determine the axis of symmetry

To solve equations set to zero by factoring

To calculate the discriminant

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must be true about a quadratic equation before using the quadratic formula?

It must be in vertex form

It must be a perfect square

It must be set equal to zero

It must have no x term

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for solving a quadratic equation using the quadratic formula?

x = c ± √(b² - 4ac) / 2a

x = -b ± √(b² - 4ac) / 2a

x = a ± √(b² - 4ac) / 2b

x = b ± √(b² - 4ac) / 2a