Algebra 1 Common Core Student Edition, Grade 8-9

(Marvins-Underground-K-12) #1
Mid-Chapter Quiz MathXL for School^
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Do y o u k n o w H OW?
Write an algebraic expression for each phrase.


  1. a n u m b e r n d iv id e d b y 4

  2. 2 less than the product of 5 and n

  3. T h e ta b le s h o w s h o w th e t o t a l c o s t o f a f ie ld t r i p
    d e p e n d s o n t h e n u m b e r o f s tu d e n ts. W h a t is a r u le
    f o r th e t o t a l c o s t o f th e tic k e ts? G iv e th e r u le i n w o r d s
    and as an algebraic expression.
    Field Trip


| N u m b e r o f S t u d e n t s
20 (12-20) + 150
40 (12-40)+ 150

(^60) (12 • 60) + 150



  1. T h e s ig n s h o w s t h e c o s ts a s s o c ia te d w i t h a w h it e w a t e r
    r a f t in g t r ip. W r it e a n e x p r e s s io n t o d e t e r m in e th e
    c o s t o f 3 c h ild r e n a n d 1 a d u lt r e n t in g e q u ip m e n t f o r a
    w h it e w a t e r r a f t in g t r i p t h a t la s ts h h o u rs.
    Whitewater Tours


Adult Ticket $53
Ch i l d T i c k e t $32
Eq u i p m e n t Re n t a l $5 per hour

Simplify each expression.


  1. 24 + (3 + 22)

  2. Vl44


Evaluate each expression for the given values of the
variables.



  1. 3x • 2 + y; x = 3 a n d y = 6

  2. (4a)3 -h (b - 2); a = 2 and b = 4
    9. Name the subset(s) of real numbers to which each
    n u m b e r b e lo n g s. T h e n o r d e r t h e n u m b e r s f r o m le a s t
    to greatest.
    VT05, -4 , |
    1 0. E s tim a te V l 4 t o th e n e a r e s t in te g e r.


1 1. W h a t p r o p e r t y is s h o w n i n th e f o l l o w i n g e q u a tio n?
(5 + 8 ) + 11 = 5 + (8 + 1 1 )
1 2. U s e t h e ta b le b e lo w. I f th e t o t a l c o s t f o r n s a n d w ic h e s
is $ 1 6 .5 0 , w h a t is th e t o t a l c o s t w h e n 1 m o r e s a n d w ic h
is b o u g h t?
Lunch M enu

Sa l a d $6.25
Sa n d w i c h $5.50
Dr i nk $2.75

Do yo u UN DERSTAND?
1 3. W h a t w o r d p h ra s e s r e p r e s e n t t h e e x p re s s io n s
-2 + 3x a n d 3x + ( —2)? A re the tw o expressions
equivalent? Explain.


  1. Use grouping sym bols to m ake the follow ing
    equation true.
    42 + 2 • 3 = 5 4

  2. Choose the correct w ord to com plete the follow ing
    s e n te n c e : A n a t u r a l n u m b e r is (always, sometimes,
    never) a w h o le n u m b e r.
    1 6. H o w m a n y n a t u r a l n u m b e r s a re i n th e s e t o f
    num bers from —10 to 10 inclusive? Explain.
    1 7. W h a t is th e s i m p li f i e d f o r m o f ^ r , w h e n abc =£ 0?
    Explain using the properties of real numbers.

  3. Reasoning Are the associative properties true for all
    integers? E x p la in.

  4. Use the C om m utative Property o f M u ltip lica tio n to
    r e w r it e t h e e x p re s s io n (x • y) • z i n t w o d if f e r e n t w a ys.


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