Algebra I

Mr. Dusenberry's Algebra I Page

Students who have more than two scheduled tests on the same day must see Mrs. Kincaid no later than the day before the testing in order to reschedule the test.

April 21 – May 12

Chapter 9 Quadratic Equations and Functions

Date Lesson Objective Vocabulary Homework
Mon
4/21		 9.1 Solving Quadratic Equations by Finding Square Roots
(pp. 503-510)
Review Chapter 8 test.
Evaluate and approximate square roots.
Solve a quadratic equation by finding square roots.		 square root
irrational number
radical expression
quadratic equation		 pp. 507-508: 29, 33, 39, 43, 45, 49, 53, 55-77 odd, 79-81
read 9.2
Tue
4/22		 9.2 Simplifying Radicals (pp. 511-516)
Review section 9.1 homework.
Use properties of radicals to simplify radicals.
Use quadratic equations to model real-life problems.		   p. 514: 11-49 odd
read 9.3
Wed
4/23		 9.3 Graphing Quadratic Functions (pp. 517-525)
Review section 9.2 homework.
Sketch the graph of a quadratic function.
Use quadratic models in real-life settings.		 quadratic function
parabola		 pp. 521-522: 23, 33, 39, 43, 45, 51, 57, 63, 67-70
read 9.4
Thu
4/24		 9.4 Solving Quadratic Equations by Graphing (pp. 526-532)
Review section 9.3 homework.
Solve a quadratic equation graphically.
Use quadratic models in real-life settings.		 roots pp. 529-530: 18-20, 21-31 odd, 33, 37, 43,45, 47
Mon
4/28		 Review Review section 9.4 homework.
Begin worksheets.		   Complete worksheets
Tue
4/29		 Quiz Quiz sections 9.1 through 9.4   read 9.5
Wed
4/30		 9.5 Solving Quadratic Equations by the Quadratic Formula
(pp. 533-539)
Use the quadratic formula to solve a quadratic equation.
Use quadratic models in real-life settings.		   pp. 536-537: 45-75 odd
read 9.6
Thu
5/1		 9.6 Applications of the Discriminant (pp. 540-547)
Review section 9.5 homework.
Use the discriminant to find the number of solutions of a quadratic equation.
Apply the discriminant to solve real-life problems.		 discriminant pp. 544-545: 9-26
read 9.7
Fri
5/2		 9.7 Graphing Quadratic Inequalities (pp. 548-553)
Review section 9.6 homework.
Sketch the graph of a quadratic inequality.
Use quadratic inequalities as real-life models.		 quadratic inequalities pp. 551-552: 16-22, 23-31 odd, 32
Read 9.8
Mon
5/5		 9.8 Comparing Linear, Exponential, and Quadratic Models
(pp. 554-560)
Review section 9.7 homework.
Choose a model that best fits a collection of data.
Use models in real-life settings.		   pp. 557-558: 9-20
Wed
5/7		 Review Review section 9.8 homework.
Begin worksheets.		   Complete worksheets
Thu
5/8		 Quiz Quiz sections 9.5 through 9.8.
Chapter review.		   pp. 562-564: 1-29
Fri
5/9		 Review Review chapter 9   read 10.1
Mon
5/12		 Test Chapter 9 test