Page 432 - Algebra 1

25.
(58)
*26.
City Planning A city is planning to build a new park in a shape of a square in the business district. It has a side length of 2x + 6 feet. Find the area of this park.
Multiple Choice Which of the following expressions is the simplest form of √76g6?
(61)
A 2g3 √ 19 B 2g4 √ 19 C 6g3 √ 2 D 6g4 √ 2
*27.
(62)
Error Analysis Two students used the stem-and-leaf plot to find the mode height of the basketball players at their school. Which student is correct? Explain the error.
Student B
The mode is 170 cm.
Student A
The mode is 185 cm.
*28.
(63)
29.
(Inv 6)
*30.
(62)
Heights of Players on Team
Stem Leaves
16 5, 7
17 1, 5, 6, 8, 8, 9 18 4, 5, 5, 5
19 2, 7
20 1
Key: 16 5 means 165 cm
Write Explain how to solve the system of linear equations. 3x - 2y = 10
-_9x + 3y = -15 2
What must be true about the coefficient of a linear function if that function experiences a vertical stretch of the parent function?
Probability The histogram displays the number of hours students in
Helene’s homeroom average at their part-time jobs. What is the 10 probability that a student randomly selected from the homeroom 8 works 5–10 hours per week? 6
4 2
Part-Time Jobs
5 10 15 20
Hours Per Week
0
Lesson 63 417
Number of Students