Graphing a quadratic function in standard form

Graphing a quadratic function in standard form

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to graph a quadratic equation in the form y = ax^2, focusing on the example y = 1/2x^2. It covers the role of the parameter 'a', the axis of symmetry, and how to choose points for graphing. The tutorial provides tips for handling fractions and creating a table of values. It demonstrates plotting points and understanding graph reflection, concluding with a summary of key graph features like the vertex and intercepts.

Read more

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'a' in the equation y = ax^2 determine about the graph?

The type of graph

The number of intercepts

The direction and shape of the graph

The color of the graph

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where is the axis of symmetry located for the equation y = ax^2?

At y = 0

At x = -1

At x = 0

At x = 1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it recommended to avoid fractions when choosing points for graphing?

Fractions change the graph's shape

Fractions make calculations complex

Fractions are not allowed in graphs

Fractions are difficult to plot

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the benefit of choosing x-values that are symmetrical around the axis of symmetry?

It ensures the graph is balanced

It changes the graph's direction

It simplifies calculations

It makes the graph colorful

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the y-value when x = 0 for the equation y = 1/2x^2?

2

1/2

1

0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the vertex of the parabola y = 1/2x^2?

(0, 0)

(1, 1)

(-1, 1)

(0, 1)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where do the x and y intercepts occur for the graph of y = 1/2x^2?

At (0, 1)

At (1, 0)

At (0, 0)

At (1, 1)