DashboardNewsSettingsHelp
Get Premium
Dashboard
Dashboard Sign out
Pearson Algebra 1 Common Core, 2011
PA
Pearson Algebra 1 Common Core, 2011 View details
Chapter Review
Continue to next subchapter

Exercise 13 Page 475

Substitute x = 2 and y = - 3

45

Practice makes perfect

To evaluate the given expression for x = 2 and y = - 3, we should substitute these values into the expression and simplify as much as possible.

5x^0/y^(- 2)
SplitIntoFactors

Split into factors

5 * x^0 * 1/y^(- 2)
SubstituteII

x= 2, y= - 3

5 * ( 2)^0 * 1/( - 3)^(- 2)
â–¼
Simplify
ExponentZero

a^0=1

5 * 1 * 1/(-3)^(-2)
FracToNegExponent

1/a^m=a^(- m)

5 * 1 * (-3)^(-(-2))
NegNeg

- (- a)=a

5 * 1 * (-3)^2
NegBaseToPosBase

(- a)^2=a^2

5 * 1 * 3^2
CalcPow

Calculate power

5 * 1 * 9
Multiply

Multiply

45
Subchapter links expand_more
arrow_right Exercises p.474-478
1
2
3
4
5
6
Exercises 7 (Page 475)
Exercises 8 (Page 475)
Exercises 9 (Page 475)
Exercises 10 (Page 475)
Exercises 11 (Page 475)
Exercises 12 (Page 475)
Exercises 13 (Page 475)
Exercises 14 (Page 475)
Exercises 15 (Page 475)
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
Exercises 46 (Page 476)
Exercises 47 (Page 476)
Exercises 48 (Page 476)
Exercises 49 (Page 476)
50
51
52
53
54
55
56
57
58
59
60
61
62
Exercises 63 (Page 477)
Exercises 64 (Page 477)
Exercises 65 (Page 477)
Exercises 66 (Page 477)
67
68
69
70
Exercises 71 (Page 477)
Exercises 72 (Page 478)
Exercises 73 (Page 478)
Exercises 74 (Page 478)
Exercises 75 (Page 478)
76
77
78
79
80
81
Exercises 82 (Page 478)
Exercises 83 (Page 478)
Exercises 84 (Page 478)
Exercises 85 (Page 478)