Pre-Algebra - Ch. 6 Study Guide

Problem #1

Draw a mapping diagram of the set of ordered pairs.

(0, -8), (1, -6), (2, -4), (3, -2)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Problem #2

Draw a mapping diagram of the set of ordered pairs.

(3, 8), (4, 6), (5, 8), (6, 4)

Tags

CCSS.8.F.A.1

Problem #3 a

The table shows the speed of a falling parachutist.

a. Use the table to draw a mapping diagram.

Problem #3 b

The table shows the speed of a falling parachutist.

b. What output would you expect for an input of 0.7 second?

____ speed (meters per second)

Mathematical Equivalence

ON

Problem #4

Write a function rule for the statement.

The output is 2 less than the input.

Problem #5

Write a function rule for the statement.

The output is one third the input.

Mathematical Equivalence

ON

Problem #8 (Part 1 - Write a function)

A clerk earns $8 an hour. Write a function that relates the earnings E and hours worked h.

Problem #8 (Part 2 - The clerk's earnings)

A clerk earns $8 an hour. How much does the clerk earn after working 40 hours?

$_____

Mathematical Equivalence

ON