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Algebra 2 CP
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Solve
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Slope = m = 2 y-intercept = b = -9
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Find the equation of the line that is perpendicular to the line below and goes through the point (6,-4)
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Determine both the x and the y intercepts of the line below.
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X-intercept = 40 Y-intercept = 5
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Solve the equation below
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x = -2 or x = -12
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Solve
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If Then -4 4
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True
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Solve
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No solution! Remember the absolute value can never equal a negative
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State a reasonable correlation coefficient
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Answers Vary Must be positive and near one. r values in between 0.8 and 0.9 are good answers
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Solve and graph your solution
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Another acceptable format: AND Graph: (open circle on -4 and -2 with a segment in between connecting them)
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Solve
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All Real Numbers
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Is this equation a model of direct variation?
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No The line does not go through the origin
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y varies directly with x. When x = 10, y is equal to 65. Write the equation that models this relationship and determine what y will be when x = 17.
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Does the table below represent direct variation? Justify your answer. x-212 Y147-7-14
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Yes. One justification: Y divided by x is always equal to a constant, -7. Another possible justification: Show that the slope is -7 and that the y-intercept is 0. Since the data forms a line through the origin, it is direct variation.
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Solve the equation below
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x = -4
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Solve the equation below for I.
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Another acceptable format:
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Solve
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Write the equation of the line that has a slope of 0 and contains the point (4, 9)
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y = 9
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Write the equation of the line in standard form that contains the point (9, -1) and is parallel to the line below.
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Write the equation for the line shown in the graph below
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Solve the absolute value inequality:
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Solve the equation below for b
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Solve the absolute value inequality below
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No real solution. Absolute value can never be less than a negative number. Test Prep Tips: Focusing on completing practice problems rather than just looking over problems. You can retry problems from your notes and/or HW. For HW, focus on the ones that you initially got incorrect or got stuck on. Also, Chapter 1 review solutions can be found in the back of the book.
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