Standardized Test Prep

SAT/ACT

65. Which geometric term is undefined?
    1. segment
    2. collinear
    3. ray
    4. plane

66. Which diagram is a net of the figure shown below?

    

    6. 
    7. 
    8. 
    9. 
67. You want to cut a block of cheese into four pieces. What is the least number of cuts you need to make?
    1. 2
    2. 3
    3. 4
    4. 5

Short Response

68. The figure below is called a tetrahedron.

    

    1. Name all the planes that form the surfaces of the tetrahedron.
    2. Name all the lines that intersect at D.

Mixed Review

See Lesson 1-1.

Make an orthographic drawing for each figure. Assume there are no hidden cubes.

69. 
    Image Long Description
70. 
    Image Long Description
71. 
    Image Long Description

See p. 831.

Simplify each ratio.

72. 30 to 12
73. 15 x 35 x fraction 15 x , over 35 x end fraction
74. n 2 + n 4 n fraction n squared , plus n , over 4 n end fraction

Get Ready! To prepare for Lesson 1-3, do Exercises 75–80.

See p. 832.

Simplify each absolute value expression.

75. | − 6 | absolute value of negative 6 , end absolute value ,
76. | 3.5 | absolute value of 3.5 ,
77. | 7 − 10 | absolute value of 7 minus 10 , end absolute value ,

See p. 834.

Algebra Solve each equation.

78. x + 2 x − 6 = 6 x plus 2 x minus 6 equals 6
79. 3 x + 9 + 5 x = 81 3 x plus 9 plus 5 x equals 81
80. w − 2 = − 4 + 7 w w minus 2 equals negative 4 plus 7 w

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