Page 810 - Algebra 1
P. 810

17.
(111)
18.
(112)
19.
(113)
20.
(113)
21.
(10 0)
22.
(101)
23.
( (1 1 0 0 6 6) )
24.
(107)
*25.
(116)
*26.
(116)
27.
(108)
28.
(103)
29.
(Inv 10)
30.
(Inv 11) )
Sports The American League Central Division in Major League Baseball has
5 teams. How many different ways are there for the teams to finish first through fifth?
y=2x2 -6x+1 Solve this system by graphing: .
y = -x - 4
Multiple Choice How many x-intercepts does the equation y = 4x2 + 8x - 2 have?
A 0 B 1 C 2 D 3
Write Explain what the discriminant tells about the graph of a quadratic
equation.
Solve 4x2 + 8 = -6x by using a graphing calculator. Round to the nearest tenth. Solve and graph the inequality ⎢4x - 3  + 1 > 10.
Structural Engineering The water pressure p on a dam is a function of the depth of the water x behind the dam: p = 4905√x. For what value of x is the pressure
equal to 44,145?
Multi-Step Graph the function f(x) = ⎢x  - 4, and then translate the function to the left by 2. What is the vertex of this new function?
$4500 is borrowed at 3.5% simple interest. The total amount of interest paid is $1260. For how many years was the money borrowed?
Credit Cards A man uses a credit card to make a $1200 purchase. The credit card charges 22% annual interest compounded monthly and requires no payments for the first year. At the end of one year, how much will he owe?
Justify Why is f(x) = 4(-2)x not an exponential function? Multi-Step Study the numbers in the sequence.
, . . .
a. Find the pattern.
If f(x) = 3x2 - 12x + 2, where is the axis of symmetry located? Give the x- and
y-coordinates of the vertex.
Identify which function is linear, quadratic, exponential growth, and exponential
_1x 2 x
decay: f (x) = (5 ) , g(x) = x , h(x) = 5 , and j(x) = 5x.
33 b. What is the next term in the sequence?
 
_ _1 3, √ 3, 1, √ 3 ,
Lesson 116 795


































































































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