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Algebra 2 2-8 Mixed Review: Two-Variable Inequalities

Posljednje ažuriranje over 3 years ago

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F.IF.7.b

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Pitanje 1

1.

Review Lesson 2-7: Graph the absolute value function by translating the graph of its parent function. Use a color other than black.

Pitanje 2

2.

Review Lesson 2-2: Tag each equation based on whether y varies directly with x. If it does, also tag it with its constant of variation.

y varies directly with x
y does NOT vary directly with x
constant of variation: -5
constant of variation: 3
constant of variation: 100

y = x + 3
y = 100x
-5 = y + x
5x + y = 0

Pitanje 3

3.

Graphing: Make a scatter plot of the data. Consider the correlation between variables. Zoom and pan your scatter plot to establish an appropriate viewing window.
🔍 Pro Tip: You may need to zoom in or out as you plot the points to keep the labels out of your way.

Instrukcije

Kliknite na karticu Grafikon (Grafikon 1, Grafikon 2 i tako dalje) za svaki grafikon koji trebate nacrtati.
Kliknite na pozadinu grafikona da biste dodali tačku. Prevucite tačku ili unesite x i y koordinate da biste uredili njen položaj. Kliknite na tačku da biste je izbrisali.

Pitanje 4

4.

Describe the correlation between the variables in the previous item.

Negative correlation

No correlation

Positive correlation

Pitanje 5

5.

Vocabulary Review: Identify each statement based on whether or not it is an inequality.

-27 ≠ 3x
46 > 45
17x = 34
15 < 32

Inequality
NOT an inequality

Pitanje 6

6.

Vocabulary Review: Complete each inequality with an inequality symbol from the left.

<
>

-2 __?__ 1
0.05 __?__ 0.5
8/6 __?__ 16/6
|-3.5| __?__ -4

Pitanje 7

7.

Use Your Vocabulary: Categorize each inequality based on the boundary line of its graph.

y > -5x + 4
2y - 3x ≤ 9
y < 3x
4y ≥ x - 1

Solid boundary line
Dashed boundary line