Math 8 EOG Review - Functions

What is the equation of the line graphed?

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In which choice is y a nonlinear function of x?

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• y = 10 + x

Which is the graph of the linear equation y = –x?

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In which choice is y a nonlinear function of x?

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In which choice do all three points lie on the same straight line?

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• (0, 1), (–1, 3), (1, 3)

• (4, 2), (2, 1), (4, –2)

• (0, 0), (8, 0), (0, 8)

• (1, 2), (2, 4), (4, 8)

What is the slope of the line that passes through the points (2, 3) and (8, 6)?

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Mathematical Equivalence

ON

What is the rate of change of the linear function that has a graph that passes through the points (2, 9) and (–1, 3)?

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Mathematical Equivalence

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In which choice is y a function of x?

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• (1, 3), (3, 4), (4, 5), (5, 6)

• (2, 0), (2, 3), (4, 5), (6, 7)

• (2, 5), (4, 8), (6, 10), (2, 12)

• (6, 2), (4, 1), (6, 8), (8, 10)

Carly went for a walk and jog. • She started walking. • After a few minutes, Carly began jogging at a faster speed than she was walking. • Carly then got tired and slowed down to a slower speed than she was jogging. Which graph best represents the distance Carly went?

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