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3.3 Slope from Word Problems
供稿人: Faulkner
(原作者: Koval)
Find the slope of eachline described in theword problems. Remember to look for key words:Per, Each, Every
A tree was planted when it was 2 feet tall.  
It grows 3 feet each year.
2
3
3/2
Not enough information
Liana has $148 on her lunch card.  She spends$2 per lunch.
148
2
Not enough information
-2
Koba's pet bunny gains 5 ounces every 3 weeks.
It weighed 24 ounces when it was born.
5
3/5
5/3
24
17.4
2010
2015
0.22
The slope of this scenario is:
4
5.50
1.50
2.50
The slope of this scenario is:
$95.00
$105.00
$100
$5.00
The slope of this scenario is:
$500 printer fee
$2.50 for each calendar
$497.50 per calendar
The slope is:
$3.00 flat fee
$0.75 every mile
$3.00 each mile
Pedro was in a tricycle race.  He did not receive ahead start.  This made him upset, because he only pedals one meter every two seconds.
1/2
2
0
Not enough information
Vera got a movie theater gift card for her birthday.There was originally $100 on the card.  After seeing 3 movies, there was $71.50 left on the giftcard.  All movies cost the same amount.
9.50
-28.50
71.50
-9.50
The bat population in Smithfield was 188 in 2010.  In 2014, the bat population was 228.  The populationincreases at the same rate.
10
40
4
1/10
A rosebush was 8 inches tall three weeks after being planted.  Each week the bush grows 0.5 inches.
2
5
1/2
8
Marcus has a job mowing lawns for his neighbors.
He gets $25 per job.
0
-25
Not enough information
25
Catina was in a tricycle race.  After 5 seconds, shewas 12 meters from the starting line.  After 7 seconds, she was 17 meters from the starting line.She continues pedaling at the same rate.
5
2/5
5/2
Not enough information
Guri has a rock collection.  He had 25 rocks 3 weeks
ago.  Today, he has 27 rocks.  He continues collecting
rocks at the same rate.
2
-2/3
2/3
Not enough information
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