Algebra 1 Common Core Student Edition, Grade 8-9

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Quad r at i c

unctions and

quations

Ch ap t er Pr ev i ew

9-1 Q u ad ratic Graphs and T heir Properties

9-2 Quadratic Functions

9-3 Solving Q uadratic Equations

9-4 Factoring to Solve Quadratic Equations

9-5 Com pleting the Square

9-6 The Quadratic Formula and the

Discriminant

9-7 Linear, Quadratic, and Exponential

Models

9-8 Systems of Linear and Quadratic

Equations

BIG ideas

1 F u n c t i o n

Esse n t i a l Q u e st i o n What are the

characteristics o f q u ad ratic fu n ction s?

2 So l v i n g Eq u a t i o n s a n d I n e q u a l i t i e s

Esse n t i a l Q u e st i o n How can you solve a

quadratic equation?

3 M o d e l i n g

Esse n t i a l Q u e st i o n How can you use

fu n c tio n s to m o d e l real-w orld situ a tio n s?

Vocabulary

English/Spanish Vocabulary Audio Online:

axis o f symmetry, p. 546 eje de simetria

completing the square,

p. 576 c o m p le ta r el cuadrad

discriminant, p. 585 discriminante

maximum, p. 547 valor maximo

minimum, p. 547 valor minimo

parabola, p. 546 parabola

quadratic equation, p. 561 ecuacion cuadratica

quadratic formula, p. (^582) form ula cuadratica
quadratic function, p. (^546) funcion cuadratica
ro o t o f an equ a tio n , p. (^561) rafz de una ecuacion
vertex, p. (^547) vertice
DOMAI NS

• Seeing Structure in Expressions


• Reasoning with Equations and Inequalities


• Interpreting Functions