Learn how to graph an equation with a reflection and vertical shift, y = -2x^2 + 5

Learn how to graph an equation with a reflection and vertical shift, y = -2x^2 + 5

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 vertex form. It covers identifying the values of A, H, and K, understanding graph shifts and orientation, finding the vertex and axis of symmetry, and selecting points to plot the graph. The tutorial concludes with completing the parabola and addressing student engagement issues.

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the components needed to graph a quadratic function in vertex form?

m, n, and p

x, y, and z

a, h, and k

a, b, and c

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What effect does the value of h have on the graph of a quadratic function?

Horizontal translation

Reflection over x-axis

Vertical translation

Vertical stretch

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the value of a is negative, in which direction does the parabola open?

To the right

To the left

Downwards

Upwards

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the vertex of the quadratic function y = -2x^2 + 5?

(0, 5)

(5, 0)

(-2, 5)

(0, 0)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the axis of symmetry for the function y = -2x^2 + 5?

y = 5

x = 5

x = 0

y = 0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine additional points to plot on the graph?

Choose random values

Use the axis of symmetry

Select points near the vertex

Calculate using the derivative

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the y-value when x = 1 for the function y = -2x^2 + 5?

-3

-1

3

1