Summer Math: Entering Algebra 1 Worksheet (Page 6 of 8) in pdf

Summer Math: Entering Algebra 1 Worksheet Page 6

Functions (F)

1. Animals

Most animals age more rapidly than humans do. The chart shows equivalent ages for horses and humans.

Horse age (x)

Human age (y)

Complete the table

Write an equation that relates human age to horse age.

Find the equivalent horse age for a human who is 16 years old.

Find the equivalent human age for a horse who is 9.5 years old.

2. New Bike

The new bicycle you want costs $355. Suppose you have already saved $50 toward the cost of the new

bicycle. You plan to save $5 more each week until you have enough money to buy the bike.

Write an equation for the total amount T you will have w weeks from now.

Graph the equation.

Find the total amount saved after 7 weeks.

How long will it take to save $355?

3. Home Security

A home security company provides security systems for $5 per week, plus an installation fee. The total fee

for 12 weeks of service is $210.

Make a table to show the weekly cost of the security system from 1 to 12 weeks.

What is the flat fee for installation?

Write the equation that represents the relationship between the total fee and the number of

weeks of service

Graph the equation.

Summer Math: Entering Algebra 1 Worksheet Page 6