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Algebra 2 2-5 Mixed Review: Using Linear Models

Posljednje ažuriranje over 3 years ago

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Pitanje 1

1.

Review Lesson 2-3: Graph the following linear equations.
Graph 1: y=-2.5x+4
Graph 2: -2x+y=4
Graph 3: y+3=2(x-1)

Instrukcije

Kliknite na karticu Grafikon (Grafikon 1, Grafikon 2 i tako dalje) za svaki grafikon koji trebate nacrtati.
Odaberite ispravnu vrstu grafikona.
Kliknite na pozadinu grafikona da biste dodali tačku. Dodajte dvije tačke da biste kreirali grafikon. Prevucite tačku ili unesite x i y koordinate da biste uredili njen položaj. Kliknite na tačku da biste je izbrisali.
Nakon što kreirate grafikon, možete označiti kućicu s isprekidanom linijom.

Linearno

Pitanje 2

2.

Review Lesson 2-4: Match each slope/point pair with its equation written in standard form.

slope = 0; includes (0, 2)
slope = 2; includes (2, 6)
slope = -1; includes (-3, 3)

-2x + y = 2
y = 2
x + y = 0

Pitanje 3

3.

Vocabulary Review: Indicate the set(s) of data that you can model with a linear function.

amount of rain each day of the week
birthdays of your classmates
3, 6, 9, 12,...

Can be modeled with a linear function

Pitanje 4

4.

Vocabulary Review: Indicate the graphs that do NOT show a linear function.
You may need to zoom out to see all of the items. You can also place each item from the left column by selecting it (click it) then selecting (clicking on) the category for it.

Do NOT show a linear function

Pitanje 5

5.

Use Your Vocabulary: Indicate the correlation that most closely represents each situation.
The image below may be a helpful reminder:

Positive correlation
No correlation
Negative correlation

the age of a used car and the car's value
the color of your hair and the weather in Venezuela
the number of minutes you study for a test and your test grade