Convert a quadratic to vertex form with fractions to graph

Convert a quadratic to vertex form with fractions to graph

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to graph a quadratic function by converting it from standard form to vertex form through completing the square. It covers factoring, simplifying expressions, creating a perfect square trinomial, and graphing the resulting parabola. The tutorial emphasizes understanding the process of completing the square and using fractions effectively.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in converting a quadratic function from standard form to vertex form?

Graph the function

Find the vertex of the function

Solve for x-intercepts

Ensure the coefficient of the quadratic term is 1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When completing the square, what operation is performed after factoring out the coefficient?

Create a perfect square trinomial

Add the constant term

Multiply by the linear term

Divide by the quadratic term

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you handle fractions when completing the square?

Multiply by the quadratic term

Use common denominators

Convert them to decimals

Ignore them

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the vertex of the parabola in the given example?

(1/8, 3/16)

(1/4, 1/16)

(1/2, 1/8)

(1/16, 1/4)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you determine if the graph of a parabola opens upwards?

If the coefficient of the quadratic term is greater than 1

If the coefficient of x is positive

If the constant term is positive

If the vertex is positive

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a suggested method for finding additional points on the graph?

Use a calculator's table function

Estimate by hand

Use only the vertex

Guess based on the vertex

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might it be beneficial to use computer software when graphing complex functions?

To find the vertex automatically

To skip learning the process

To make the graph look nicer

To avoid errors in manual calculations