Algebra Spiral Review

Notice the answer choices are written as FACTORS! Also, because this trinomial has a > 1 this means we need to use the SLIDE & DIVIDE method to factor.

You can also use the DEFINE feature because it says EQUIVALENT.

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You can find SOLUTIONS/SOLVE any equation by using MENU 3, 1.

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Remember DOMAIN it the x-values and we scan from LEFT to RIGHT. Remember RANGE is the y-values and we scan from BOTTOM to TOP. Notice the RANGE here is only on one specific number.

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You can find the EQUATION by making a LIST & SPREADSHEET, DATA & STATISTICS, MENU 4, 6, 1.

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Information for graphing inequalities: <, ≤ means to SHADE BELOW >, ≥ means to SHADE ABOVE <,> means to use a DASHED LINE ≤,≥ means to use a SOLID LINE

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• d+q=50

• 10d+25q=50

• 0.1d+0.25q=50

• 0.01d+0.25q=50

• Only Scott

• Only David

• Both Scott and David

• Neither Scott nor David