For the following functions (a) tell whether the graph opens up or opens down, (b) find the vertex, and (c) find the axis of symmetry. 1. y= -3x² + 1 2. y = -2x2 – 1

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.2: Transformations Of Quadratic Functions
Problem 47PFA
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Name
Date
Practice
LESSON
1.1
For use with the lesson "Graph Quadratic Functions in Standard Form"
For the following functions (a) tell whether the graph opens up or
opens down, (b) find the vertex, and (c) find the axis of symmetry.
1. y= -3x2 + 1
2. y = -2x2 – 1
3. y = 3x? - 2x
4. y= -4x2 – 2x + 9
5. y = 5x2 - 5x + 7
6. y = -2x2- 3x + 3
Match the equation with its graph.
7. y = -x² + 5x - 2
8. y = -x2 - 5x – 2
9. y = -x² + 2
A.
В.
y
С.
Transcribed Image Text:4:48 Lesson 1 Practice front.jpg Name Date Practice LESSON 1.1 For use with the lesson "Graph Quadratic Functions in Standard Form" For the following functions (a) tell whether the graph opens up or opens down, (b) find the vertex, and (c) find the axis of symmetry. 1. y= -3x2 + 1 2. y = -2x2 – 1 3. y = 3x? - 2x 4. y= -4x2 – 2x + 9 5. y = 5x2 - 5x + 7 6. y = -2x2- 3x + 3 Match the equation with its graph. 7. y = -x² + 5x - 2 8. y = -x2 - 5x – 2 9. y = -x² + 2 A. В. y С.
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