# ACT72g Math Answer Explanations

### 2014 December(72G) Math Question 1

Word Problems

- Cost

- Factoring

### 2014 December(72G) Math Question 3

Number Types & Properties

- Order of Values

### 2014 December(72G) Math Question 4

Algebraic & Function Expressions

- Solve Algebraic Expressions

### 2014 December(72G) Math Question 5

Graphing Properties

- Vectors

### 2014 December(72G) Math Question 6

Algebraic & Function Expressions

- Solve Algebraic Expressions

### 2014 December(72G) Math Question 7

Statistics

- Mean, Median

### 2014 December(72G) Math Question 8

Inequalities

- Inequality Expressions

### 2014 December(72G) Math Question 9

Equation of a Line

- Equations that Describe a Line

### 2014 December(72G) Math Question 10

Trigonometry

- Pythagorean Theorem & sin cos tan

### 2014 December(72G) Math Question 11

Word Problems

- Distance, Speed, Time

### 2014 December(72G) Math Question 12

Ratios, Proportions, Percentages, Fractions

- Proportions & Ratios

Probability

- One Event

### 2014 December(72G) Math Question 14

Algebraic & Function Expressions

- Write Algebraic Expressions

### 2014 December(72G) Math Question 15

Exponents, Radicals, & Scientific Notation

- Factoring

### 2014 December(72G) Math Question 17

Trigonometry

- Pythagorean Theorem & sin cos tan

### 2014 December(72G) Math Question 18

Similar Triangles & Types of Triangles

- Triangle Types

### 2014 December(72G) Math Question 19

Algebraic & Function Expressions

- Solve Function Expressions

### 2014 December(72G) Math Question 20

Graphing Properties

- Interpret Graphs or Figures

Angles

- Circles

### 2014 December(72G) Math Question 22

Algebraic & Function Expressions

- Systems of Equations

### 2014 December(72G) Math Question 23

Perimeter, Area, Volume

- Other Shapes

### 2014 December(72G) Math Question 24

Word Problems

- Cost

Probability

- One Event

### 2014 December(72G) Math Question 26

Word Problems

- 1 Variable Equations

### 2014 December(72G) Math Question 27

Sequences and Patterns

- Arithmetic Sequences

### 2014 December(72G) Math Question 28

Perimeter, Area, Volume

- Triangles, Squares, Rectangles, Circles

### 2014 December(72G) Math Question 29

Ratios, Proportions, Percentages, Fractions

- Proportions & Ratios

### 2014 December(72G) Math Question 30

Exponents, Radicals, & Scientific Notation

- Scientific Notation

### 2014 December(72G) Math Question 31

Perimeter, Area, Volume

- Triangles, Squares, Rectangles, Circles

### 2014 December(72G) Math Question 32

Word Problems

- Cost

### 2014 December(72G) Math Question 33

Graphing Properties

- Interpret Graphs or Figures

### 2014 December(72G) Math Question 34

Perimeter, Area, Volume

- Triangles, Squares, Rectangles, Circles

### 2014 December(72G) Math Question 35

Similar Triangles & Types of Triangles

- Similar Triangles

### 2014 December(72G) Math Question 36

Perimeter, Area, Volume

- Triangles, Squares, Rectangles, Circles

### 2014 December(72G) Math Question 37

Equation of a Line

- Distance & Midpoint

### 2014 December(72G) Math Question 38

Algebraic & Function Expressions

- Solve Algebraic Expressions

### 2014 December(72G) Math Question 39

Angles

- Parallel Lines

### 2014 December(72G) Math Question 40

Perimeter, Area, Volume

- Mixed Shapes

### 2014 December(72G) Math Question 41

Angles

- Vertex Angles & Bisectors

### 2014 December(72G) Math Question 42

Word Problems

- Distance, Speed, Time

### 2014 December(72G) Math Question 43

Equation of a Line

- Equations that Describe a Line

### 2014 December(72G) Math Question 44

Algebraic & Function Expressions

- Systems of Equations

### 2014 December(72G) Math Question 45

Ratios, Proportions, Percentages, Fractions

- Proportions & Ratios

### 2014 December(72G) Math Question 46

Sequences and Patterns

- Logical Expressions

- Factoring

### 2014 December(72G) Math Question 48

Trigonometry

- Pythagorean Theorem & sin cos tan

### 2014 December(72G) Math Question 49

Statistics

- Mean, Median

### 2014 December(72G) Math Question 50

Perimeter, Area, Volume

- Other Shapes

### 2014 December(72G) Math Question 51

Logarithms

- Logarithm Expressions

### 2014 December(72G) Math Question 52

Number Types & Properties

- Rational & Irrational Numbers and Integers

### 2014 December(72G) Math Question 53

Graphing Properties

- Reflection, Rotation, Symmetry, Translation

### 2014 December(72G) Math Question 54

Trigonometry

- Pythagorean Theorem & sin cos tan

### 2014 December(72G) Math Question 55

Matrices

- Determinants

### 2014 December(72G) Math Question 56

Absolute Values

- Absolute Value Expressions

### 2014 December(72G) Math Question 57

Trigonometry

- Graphing Trig Functions

Conics

- Ellipse

### 2014 December(72G) Math Question 59

Perimeter, Area, Volume

- Triangles, Squares, Rectangles, Circles

### 2014 December(72G) Math Question 60

Algebraic & Function Expressions

- Nested Functions