Questions

For the next six problems factor each quadratic expression, and then state the answer.

1) Factor: 2x – 6

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2) Factor.

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3) Factor.

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4) Factor.

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5) Factor.

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6) Factor.

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For the next three problems, solve each equation by factoring and applying the zero-product property. Reminder: there are two answers for each quadratic equation.

7) Solve for “x”.

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8) Solve for “x”.

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9) Solve for “x”.

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10) Solve.

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Review

11) Find the slope of the line containing the points (1, 2) and (2, 6).

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12) Write an equation in slope intercept form for the line containing the points (3, –17) and (–4, 18).

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13) Solve for “x”: 7x – 22 = 3x + 18

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14) Solve for “x”: 4 – 2(x + 1) < –3

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15) Solve the absolute value inequality for “x”.

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16) Evaluate.

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17) Evaluate.

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18) Simplify. State the letter of the correct answer.

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19) Solve. State the letter of the correct answer.

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20) Graph the system on graph paper; then identify and state the solution.

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21) Solve the system of equations by substitution.

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22) Is the graph below the correct graph of 2x + y > –1. If yes, write T(true), if not explain what is wrong.

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23) Solve for “x and y”.

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24) Find the product. State the letter of the correct answer.

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25) Determine whether the pair of matrices are inverses of each other. Explain why they are or are not inverses.

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