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Laabri

IA4-1 Linear Equations and Tables Review

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Last updated about 5 years ago
20 Nsɛmmisa

Lesson Objectives:

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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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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To view an explanation of how the equation relates to the table, watch the video below.

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To check your answers, or to see how the tables are completed based on an equation, watch the video below.

Asemmisa {{asɛmmisaAhyɛnsode}}
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

Asemmisa {{asɛmmisaAhyɛnsode}}
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?

Asemmisa {{asɛmmisaAhyɛnsode}}
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?

Asemmisa {{asɛmmisaAhyɛnsode}}
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.

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

Isabel has $40 and earns $20 per week mowing the lawn.

Write an equation to model this scenario.

Asemmisa {{asɛmmisaAhyɛnsode}}
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.

Asemmisa {{asɛmmisaAhyɛnsode}}
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.

Asemmisa {{asɛmmisaAhyɛnsode}}
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.

Asemmisa {{asɛmmisaAhyɛnsode}}
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?

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Look at the table below. What is the slope (rate of change)?

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

Look at the table below. What is the y-intercept (starting value)?

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

What is the equation from the table below? (don't put any spaces in your answer)

Asemmisa {{asɛmmisaAhyɛnsode}}
13.

Write the equation of the table below.

Asemmisa {{asɛmmisaAhyɛnsode}}
14.

Write the equation of the table below.

Asemmisa {{asɛmmisaAhyɛnsode}}
15.

Write the equation of the table below.

Asemmisa {{asɛmmisaAhyɛnsode}}
16.

Write the equation of the table below.

Asemmisa {{asɛmmisaAhyɛnsode}}
17.

Complete the table for the equation y=4x+10

You may want to use the zoom icon to make the table bigger.

Asemmisa {{asɛmmisaAhyɛnsode}}
18.

Complete the table for the equation y=-6x+19

You may want to use the zoom icon to make the table bigger.

Asemmisa {{asɛmmisaAhyɛnsode}}
19.

Complete the table for the equation y=2x-5

You may want to use the zoom icon to make the table bigger.

Asemmisa {{asɛmmisaAhyɛnsode}}
20.

Complete the table for the equation y=-4x-10

You may want to use the zoom icon to make the table bigger.