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Vertex Form and Quadratic Functions

Vertex Form and Quadratic Functions

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Amelia Wright

FREE Resource

The video tutorial explains how to graph a quadratic equation by finding the vertex. It begins with an introduction to the quadratic equation Y = x^2 + 2x + 1 and the importance of identifying the vertex. The vertex is calculated using the formula H = B / 2a, where B is the coefficient of x and a is the coefficient of x^2. The tutorial walks through the calculation process, identifying the vertex as (1, 2). It concludes with instructions on how to find the K value by substituting the vertex back into the original equation.

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step Venice needs to take to graph the quadratic equation Y = x^2 + 2x + 1?

Find the y-intercept

Calculate the roots

Identify the vertex

Determine the axis of symmetry

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which formula is used to find the x-coordinate of the vertex in a quadratic equation?

H = B / a

H = 2a / B

H = B / 2a

H = -B / 2a

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the equation Y = x^2 + 2x + 1, what is the value of 'a'?

1

2

-1

0

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of 'b' in the equation Y = x^2 + 2x + 1?

1

2

-2

0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After finding the x-coordinate of the vertex, what should be done next to find the y-coordinate?

Use the quadratic formula

Calculate the discriminant

Substitute the x-coordinate back into the original equation

Find the derivative

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the y-coordinate of the vertex for the equation Y = x^2 + 2x + 1?

0

3

1

2

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