Students will review what we learned earlier this year about
- writing equations
- writing an equation from a table
- completing a table from an equation
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Question 1
1.
Deja has $150 and makes $50 each week babysitting. What equation represents the total amount of money she has after a given number of weeks?
Let x= the number of weeks and y= the total amount of money she has
It's been a while since we talked about linear equations in y=mx+b form (slope-intercept form). For an explanation of that, watch the video below.
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Question 2
2.
Randall collects action figures. His dad gave him 12 to start his collection, then he buys 1 new one each month.
What is the independent variable? In other words, what does x represent?
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Question 3
3.
Randall collects action figures. His dad gave him 12 to start his collection, then he buys 1 new one each month.
What is the dependent variable? In other words, what does y represent?
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Question 4
4.
Randall collects action figures. His dad gave him 12 to start his collection, then he buys 1 new one each month.
Write the equation for this scenario without spaces.
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Question 5
5.
Isabel has $40 and earns $20 per week mowing the lawn.
Write an equation to model this scenario.
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Question 6
6.
Jaime has a $50 gift card to a coffee shop. Every day, he spends $4 for his coffee. Let x equal the number of days he buys coffee, and let y= the amount left on the gift card.
Write an equation to model this scenario.
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Question 7
7.
JD has $200 and pays $30 per week to have food delivered. Let x= the number of weeks and y=the amount of money he has left.
Write an equation.
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Question 8
8.
Sam owes his sister $20, and every week he pays her back $5. Let x=the number of weeks and y=the amount he still owes her.
Write an equation.
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Question 9
9.
Randall collects action figures. His dad gave him 12 to start his collection, then he buys 1 new one each month. The table below is another way to respresent this.
How many action figures will he have after 3 months?
To view an explanation of how the equation relates to the table, watch the video below.
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Question 10
10.
Look at the table below. What is the slope (rate of change)?
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Question 11
11.
Look at the table below. What is the y-intercept (starting value)?
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Question 12
12.
What is the equation from the table below? (don't put any spaces in your answer)
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Question 13
13.
Write the equation of the table below.
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Question 14
14.
Write the equation of the table below.
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Question 15
15.
Write the equation of the table below.
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Question 16
16.
Write the equation of the table below.
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Question 17
17.
Complete the table for the equation y=4x+10
You may want to use the zoom icon to make the table bigger.
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Question 18
18.
Complete the table for the equation y=-6x+19
You may want to use the zoom icon to make the table bigger.
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Question 19
19.
Complete the table for the equation y=2x-5
You may want to use the zoom icon to make the table bigger.
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Question 20
20.
Complete the table for the equation y=-4x-10
You may want to use the zoom icon to make the table bigger.
To check your answers, or to see how the tables are completed based on an equation, watch the video below.