Page 147 - Algebra 1

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Multiple Choice A baker needs 25 eggs for all the cakes she plans to bake. She only has 12 eggs. If x is the number of eggs she will buy to complete her ingredients list, which of the following equations best represents how she can find x?
A 12-x=25 B 12+x=25 C 25+x=12 D x-12=25
Analyze For the equation x = 14 - y, what must be true of each value of x if y is a. greater than 14?
b. equal to 14? c. less than 14?
Multiple Choice Which graph would best compare the ages of people living in two different cities?
A circle graph B stem-and-leaf plot
C double-line graph D double-bar graph
Travel A man travels 25 miles to work. On his way home, he stops to fill up
with gas after going d miles. Write an expression to represent his distance from home.
Verify Show that each equation is true for the given values of x and y. _y2 _4 3
a. x(y - x ) = - 9 ; x = -4 and y = 2 b. ⎢(x - y) = 27; x = -1 and y = 2 Write What is a sample space?
Endangered Animals The table shows the number of threatened or endangered animal species as of July 22, 2007. Make an appropriate graph to display the data. Then make a conclusion about the data.
Number of Threatened or Endangered Species in the U.S. and Foreign Countries
Generalize Use the pairs of equations. What can be concluded about the Commutative Property?
9 - 5 = 4 and 5 - 9 = -4 12 - 6 = 6 and 6 - 12 = -6 7 - 3 = 4 and 3 - 7 = -4
Landscape Design Wanchen is planting a garden the shape of a trapezoid in her yard. Use the diagram to find the area of her garden.
Base = 5.5 ft
Height = 6.2 ft
Mammals
Birds
Reptiles
Amphibians
Fish
Clams
Snails
Insects
Arachnids
Crustaceans
U.S.
81
89
37
23
139
70
76
57
12
22
Foreign
276
182
81
9
12
2
1
4
0
0
132
Saxon Algebra 1
Base = 3 ft