ALGEBRA 1 - LESSON 20

[19] Solve.

Mathematical Equivalence

ON

[20] Graph the ordered pair (3, -4) on the coordinate plane.

[20] Graph the ordered pair (0, 5) on a coordinate plane.

[20] Which ordered pair is associated with point Z?

• (-3, 0)

• (3, 0)

• (0, -3)

• (0, 3)

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.

g

h

i

j

10

1

7

6

3

2

8

9

4

5

[20] 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.

a

c

e

f

65

70

100

110

50

130

90

160

55

165

[19]

Mathematical Equivalence

ON

[13]

Mathematical Equivalence

ON

[4] Type in your answer to the problem!

Mathematical Equivalence

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[20] A person runs 5 miles per hour. The equation d = 5t tells how far the person has run in t hours. Make a table when t = 0, 1, 2, and 4 hours. Graph the ordered pairs in a graph and connect all the points. What do you notice?