Category 4 STAAR Review Algebra

Remember HOY Horizontal lines have zero slopes where equations are written as Y = # it's crossing the y-axis

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AI.9.2.G

To create an equation when given a table use:

Lists & Spreadsheet, Data & Statistics, MENU 4, 6, KEYWORD.

The keyword comes from the word problem, they are asking for an EXPONENTIAL function.

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AI.9.9.C

Mathematical Equivalence

ON

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AI.9.9.D

Mathematical Equivalence

ON

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AI.9.9.D

Mathematical Equivalence

ON

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AI.9.9.D

To check if a graph is a FUNCTION. It needs to pass something called the VERTICAL LINE TEST. That means if you draw a vertical line, it can ONLY CROSS THROUGH THE GRAPH ONCE!

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AI.9.12.A

Domain represents the X-VALUES of the graph. OPEN DOT means it DOES NOT have an equal sign under the inequality. CLOSED DOT means it DOES have an equal sign under the inequality.

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AI.9.9.A

Domain represents the X-VALUES of the graph. OPEN DOT means it DOES NOT have an equal sign under the inequality. CLOSED DOT means it DOES have an equal sign under the inequality.

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AI.9.9.A

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AI.9.9.B

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AI.9.9.B