Page 748 - Algebra 1

*14.
(107)
Write the equation of the function graphed.
2
O
x
-4
-2
2
15.
(64)
16.
( (1 1 0 0 6 6) )
17.
(101)
Assuming that y varies inversely as x, what is y when x = 8, if y = 55 when x = 11.6?
Meteorology In the mountains snow will accumulate quickly in winter. If the average accumulation can be described using the expression 12√x, find the
value of x when the accumulation is equal to 108 inches?
_
Solve and graph the inequality ⎢x - 10 < -9.
8
-4
Solve.
18.
(102)
20.
(102)
21.
(92)
22.
(104)
*23.
(105)
*24.
(103)
Simplify
7c . _2
x2 = -9 Building
19. 12⎢x + 9⎢ - 11 = 1 (94)
Tom’s house has two square rooms. He knocks down a wall separating the rooms. The area of the new room is 338 square feet. What were the dimensions of the original rooms?
x
x
8ab2 49c2
Find the missing term of the perfect-square trinomial: x2 + 7x + . Multiple Choice What is the common ratio of the geometric sequence -_5 , -_5 ,
4

24a b _2
-_5,-_5,...? 8 16 3264 _1 _1
A -2 B -2 C 2 D 2 Landscaping Li is designing a triangular flower bed in one corner of her
rectangular yard. She plans on making one leg of the triangle 1_11 meters long
_5 12
and the other leg 212 meters long. She wants to know how much edging material
she needs to buy to place along the hypotenuse of the triangle. Write a rational expression to show how much material Li needs to buy.
2 _5 m 12
1 1_ 1 m 12
y
?
Lesson 108 733