Review 1 Slope TEKS 8.4B,C and 8.5 I, G (8.4A,8.5ABHF,8.9A)

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Oscar buys his lunch in the school cafeteria. The cost of 15 school lunches is $33.75. Which graph has a slope that best represents the average cost of the lunches in dollars per lunch?

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Triangle PSV is shown on the coordinate grid. The coordinates of each vertex of the triangle are integers.

What is the slope of line segment PV?

The table shows the linear relationship between the number of hours Francis worked, x, and the amount of money Francis earned, y. Based on the table, how much did Francis earn per hour?

• $17.50 per hour

• $14.00 per hour

• $35.00 per hour

• $24.50 per hour

A company sells bottles of vitamin capsules. The graph and table show the linear relationship between the cost per capsule in cents and the number of bottles ordered.

What is the slope of the line that models this situation?

Which graph represents y as a function of x?

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Which set of ordered pairs represents y as a function of x?

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Which representation does NOT show y as a function of x?

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A coach is ordering shirts for a team.

*The coach pays a one-time fee of $24

*The coach also pays $8 for each shirt ordered.

Which function can be used to find c, the total amount the coach pays in dollars when k shirts are ordered?

• c = 8k + 32

• c = 8k + 24

• c = 32k + 8

• c = 24k + 8

The graph shows the relationship between the number of gallons of fuel remaining in the tank of a semitruck and eh number of miles traveled by the semitruck.

Which function can be used to find y, the number of gallons of fuel remaining in the tank of the semitruck after it has traveled x miles?

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