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Learning resources brought to you by Tucson Unified's Curriculum and Instruction

We've provided a rich selection of free, fun online learning sources in English language arts (ELA), math, science, and visual arts to supplement your learning. These are organized by grade level. Click the grade level for your child to get started!

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How to Use This Page

This page contains a "menu" of lessons and activities for this week. You will find the objectives: the specific skills that you work on. Then you will find a selection of lessons and activities which help you practice and master those skills. If you run into technical issues or other difficulties with any of these, simply move on and choose another.

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Algebra 1 - Week Four

Printable Version of this lesson board in PDF format

High School Algebra 1

Week 4 April 27-May 1

Weekly Packet

Math Objectives: Students will be able to:

  • calculate the axis of symmetry when given a quadratic equation in standard form and use that x-value to find the vertex of the parabola.
  • compare different graphs of quadratic functions.

IXL

(Alg2) T1: Identify the direction a parabola opens
(Alg2) T2: Find the vertex of a parabola
(Alg2) T4: Find the axis of symmetry of a parabola

Your goal is a minimum Smart Score of 80

Explanation Websites

Varsity Tutors: Axis of Symmetry of a Parabola and Vertex
Math Bits Notebook: Axis of Symmetry and Vertex
wikiHow: How to find the vertex of a quadratic in a step-by-step format.

Activities/Projects/Extensions
Create your own quadratic equation in standard form (do not use 1 for any of the coefficients).
Calculate the axis of symmetry for your quadratic equation.
Use the x-value of your axis of symmetry to calculate the vertex of your quadratic equation.
Create a mini poster illustrating your work.

Independent Practice

Online practice that will provide answers after each question.

Problem Set #1 (answers included)

Self-Check/Formative Assessment

Online Survey that will be shared with your teacher (Select “see results” after you submit)

Key Vocabulary / Formulas/ Things to Remember

Quadratic Equation in Standard Form:
equations in the form ax2+bx+c=0

Axis of Symmetry:
x= −b2a

The axis of symmetry of a parabola is a vertical line that divides the parabola into two congruent halves. The axis of symmetry always passes through the vertex of the parabola.

Vertex: The vertex of a parabola is the point where the parabola crosses its axis of symmetry. If the coefficient of the x2 term is positive, the vertex will be the lowest point on the graph, the point at the bottom of the “U-shaped”. If the coefficient of the x2 term is negative, the vertex will be the highest point on the graph, the point at the top of the “∩” shaped.

Coefficients: a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g., the 5 in 5x).

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