TTCM Midterm Open Ended Review

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Find a linear function, C, that gives the cost of producing x iPhones given that it costs $1680 to produce 3 iPhones and $4480 to produce 8 iPhones.

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C(x) = 560x

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(6,0)

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Definition of a linear function

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What is the formula to find the slope between two points (x1, y1) and (x2, y2)?

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What does the x-intercept of a line represent?

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The x-coordinate where the line crosses the x-axis, meaning the value of y is zero.

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How do you find the y-intercept of a linear equation?

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What is the relationship between the slopes of two perpendicular lines?

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The product of their slopes is -1.