Page 129 - Algebra 1
P. 129

Simplify.
1. (+3) + (-14)
(5)
2. 4xyz - 3yz + zxy (18)
3. 3xyz - 3xyz + zxy (18)
Solve.
5. x + _1 = -_1 (19) 5 10
4.
(19)
*6.
(20)
*7.
(20)
*8.
(20)
*9.
(20)
*10.
(20)
x - 4 = 10
Graph the ordered pair (3, -4) on a coordinate plane.
j.
(Ex 4)
Fundraising The prom committee raises money for the prom by selling flowers. The money earned for the prom is dependent on the number of flowers sold. Money earned is represented by the equation y = 3x - 75.
Find the amount of money raised when 25, 50, 75, and 100 flowers are sold. Make a graph to represent the equation y = 3x - 75.
Practice Distributed and Integrated
Graph the ordered pair (0, 5) on a coordinate plane. Multiple Choice Which ordered pair is associated
with point Z? A (3, 0)
C (-3, 0)
Ellen charges $3 plus $1 per child for an hour of babysitting. To determine her hourly rate, she uses the formula r = 3 + c, where r is the rate and c is the number of children Complete the table and graph the solutions.
Reading Thomas read 10 pages in a book before starting his speed-reading lessons. After his lessons, he could read 3 pages per minute. The equation y = 3x + 10 calculates the total number of pages read after x minutes. Complete the table.
B (0, 3) D (0, -3)
y
4
2
Z
O
x
-4
-2
2
4
-2
-4
c
r
1
2
3
4
Babysitting
x
y
15
20
30
50
114
Saxon Algebra 1


































































































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