# Algebra 1 Common Core Student Edition, Grade 8-9

(Marvins-Underground-K-12) #1
``````The Standards for Mathematical Practice
emphasize sense-making, reasoning,
and critical reasoning. M any
features in Pear son A l g eb r a 1
provide opportunities for you o
to d e ve lo p these skills
and dispositions.``````

``````\
V``````

``````d Gel #? 5. a. to PkMbb* pjpptnr rhc *tre durgnf SIS fa rncii m o t t o. Wbsa
emwntolMitor^ualtviii So l v i n g Sy st em s
by Graphing``````

``````Esse n t i a l U n d e r st a n d i n g You can use systems of linear equations to m odel
problem s. Systems of equations can be solved in m ore th an one way. One m ethod is to |
graph each equation and find the intersection point, if one exists.``````

Co n ce p t Su m m a r y Li near Equat i ons
You c a n d e s c r ib e a n y lin e u s in g o n e o r m o re o f th e s e fo rm s o f a l in e a r e q u a tio n. A ny tw o
equations for the sam e line are equivalent
Graph Forms
Sl o p e- l n t er cep t Fo r m
y = mx + b
y = -h + 6
Po in t - Slo p e Fo r m
y - yi = m{x- Jr,)
y-4 = —§ ( x - 3 )
St a n d a r d Fo r m
Ax + By = C
2x + 3y = 18

``````A Tak e Not e box highlights key concepts
in a lesson. Y o u c a n use these b o x e s to re v ie w
concepts throughout the year.``````

``````M If (2.4) n l n barti cqmaiom mi
Bt Kduuon ol toe aywan Is (4 = 4^ *•<*.J». 2 ,4L``````

``````P a rt o f t h in k in g m a t h e m a tic a lly is
making sense of the concepts that are
being presented. The Esse n t i a l
``Using Your Book f or Success x v``