Algebra 1 Common Core Student Edition, Grade 8-9

“OO

76. Typography A po in t is a u n it of length th a t can be u sed to
    m easure th e distance betw een two lines of text. Font sizes
    are often stated in points. C apital letters m easu re two thirds
    of th e stated p o in t size, as show n in th e diagram for a font
    size of 48 points. There are 72 p o in ts in 1 inch. W hat p o in t
    size p ro d u ces capital letters th a t are | in. tall?

.(^ C h a lle n g e 77. Reasoning In a school’s m usical, a choir m e m b e r sang in
th e backup chorus for half the songs in th e show, w hich
was 12 songs. A stu d en t concludes th at one h alf of 12 is 6 , s o t h e r e w e r e 6 songs in
th e show. Write an eq u a tio n th a t w ould h elp th e s tu d e n t u n d e rsta n d th e correct
n u m b e r of songs in the m usical.

78. Cooking U ncooked rice has ab o u t yy the w eight of cooked rice. You w an t to m ake
    6.5 lb of rice for a recipe. How m any p o u n d s of u ncooked rice do you need?

LI

M

48 points

St a n d a r d i z e d Test Pr ep

^AT/ACT 79. Luis h elp ed raise m oney for his school by jogging in th e school jog-a-thon. The total
am ount of m oney h e raised can b e represented by th e expression 1.75m, w here m is
the n um ber of miles he jogged. If Luis raised a total of $21, how m any miles did h e jog?
CD 12 C D 19.25 C D 22.75 C D 36.75

80. W hat o peration should you use to solve 14 + c = 39?
    CD squaring CD subtraction CID multiplication CD division


81. Sonya is checking orders at the fabric store w here she works. Some of the orders are
    in decim als an d som e are in fractions. W hich of the following statem ents is not true?
    CD ™ = 2.5 CD 1.3 = lj C D 0.03 -100 CD 1= 1.2

Mixed Review

A

82. If th e p a ttern show n in th e table
    continues, what am ount will have
    bee n raised by Week 5?

r i

Scholarship Funds

Week 0 12 3

;

Amount (thousands) 0 2 4 6

See Lesson 1-9.

See Lesson 1-4.

85. (m + 4.5) - 0.5

Simplify each expression. Justify each step.

83. 4(13x) 84. 2.2 + (3.8 - x)

Get Read y! To p r e p a r e f o r Lesson 2 - 2 , d o E xercises 86 - 88.

Simplify each expression. 4/ b See Lesson 1-2.

86. 2[2 — (2 — 3) — 2] 87. ( | + |)2 88. -1 + 2 * 3 - 4

^ [^Lesson 2-1 So l v i n g O n e - St e p Eq u a t i o n s 1 87