
Setting up Linear Word Problems
Presentation
•
Mathematics
•
9th Grade
•
Medium
+5
Standards-aligned
Lauren Humphrey
Used 65+ times
FREE Resource
5 Slides • 14 Questions
1
Setting up Word Problems
Lesson 5.5
2
Example 1
Lee paid $125 in advance on his account at the gym. Each time he visits the gym, $10 is deducted from his account.
3
Multiple Choice
Lee paid $125 in advance on his account at the gym. Each time he visits the gym, $10 is deducted from his account.
Would this be represented by a slope-intercept form or standard form equation?
Slope-intercept (y=mx+b)
Standard (Ax+By=C)
4
Multiple Choice
Lee paid $125 in advance on his account at the gym. Each time he visits the gym, $10 is deducted from his account.
Which value represents the rate of change (m)?
10
125
-10
5
Multiple Choice
Lee paid $125 in advance on his account at the gym. Each time he visits the gym, $10 is deducted from his account.
Which value represents the initial value (b)?
10
125
-10
6
Multiple Choice
Lee paid $125 in advance on his account at the gym. Each time he visits the gym, $10 is deducted from his account.
Which equation would represent the amount of money in his account after x visits?
y=10x+125
y=-10x+125
y=125x+10
y=10x-125
7
Example 2
In a video game, you earn 5 points for each jewel you find. You earn 2 points for each star you find. You've earned 250 total points.
8
Multiple Choice
In a video game, you earn 5 points for each jewel you find. You earn 2 points for each star you find. You've earned 250 total points.
Would this be represented by a slope-intercept form or standard form equation?
Slope-intercept (y=mx+b)
Standard (Ax+By=C)
9
Multiple Select
In a video game, you earn 5 points for each jewel you find. You earn 2 points for each star you find. You've earned 250 total points.
Which values will represent the coefficients "A" and "B"? Choose BOTH numbers.
5
250
2
10
Multiple Choice
In a video game, you earn 5 points for each jewel you find. You earn 2 points for each star you find. You've earned 250 total points.
Which equation would represent the total amount of points earned, if x represents jewels and y represents stars?
5x+2y=250
5x-2y=250
2x-5y=250
250x+5y=2
11
Example 3
A store sells sodas for $2 each and chips for $1.50 each. You plan on spending $17.50 on drinks and snacks for you and your friends.
12
Multiple Choice
A store sells sodas for $2 each and chips for $1.50 each. You plan on spending $17.50 on drinks and snacks for you and your friends.
Would this be represented by a slope-intercept form or standard form equation?
Slope-intercept (y=mx+b)
Standard (Ax+By=C)
13
Multiple Select
A store sells sodas for $2 each and chips for $1.50 each. You plan on spending $17.50 on drinks and snacks for you and your friends.
Which values will represent the coefficients "A" and "B"? Choose BOTH numbers.
17.50
2
1.50
14
Multiple Choice
A store sells sodas for $2 each and chips for $1.50 each. You plan on spending $17.50 on drinks and snacks for you and your friends.
Which equation would represent the total amount of points earned, if x represents drinks and y represents chips?
17.50x+1.50y=2
2x-1.50y=17.50
2x+1.50y=17.50
2x+1.50y=19
15
Example 4
Shelly has already written 143 words for her paper. She types at an average speed of 35 words per minute.
16
Multiple Choice
Shelly has already written 143 words for her paper. She types at a speed of 35 words per minute.
Would this be represented by a slope-intercept form or standard form equation?
Slope-intercept (y=mx+b)
Standard (Ax+By=C)
17
Multiple Choice
Shelly has already written 143 words for her paper. She types at a speed of 35 words per minute.
Which value represents the rate of change (m)?
143
35
-35
18
Multiple Choice
Shelly has already written 143 words for her paper. She types at a speed of 35 words per minute.
Which value represents the initial value (b)?
143
35
-35
19
Multiple Choice
Shelly has already written 143 words for her paper. She types at a speed of 35 words per minute.
Which equation would represent the number of words written after x minutes?
y=35x-143
y=143x+35
y=143x-35
y=35x+143
Setting up Word Problems
Lesson 5.5
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