Key Features of Linear, Quadratic, Exponential Functions

The graph of a linear function is shown on the grid. What value best represents the y-intercept of the line?

• -2

• -3/2

• 2/3

• 3

The graph of a linear function, f, is shown. What is the zero of f?

• 3

• 3

• 2

• 6

The graph of a linear function is shown on the grid. What are the x-intercept and the y-intercept of the line?

• x-intercept: (8, 0), y-intercept: (0, -2)

• x-intercept: (-2, 0), y-intercept: (0, 4)

• x-intercept: (-2, 0), y-intercept: (0, 8)

• x-intercept: (4, 0), y-intercept: (0, 8)

Which graph best represents y = -4(x + 3) - 2?

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Linear function k has a zero of -2 and a y-intercept of 6. Which graph best represents k?

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The graph of linear function g passes through the points (-7, -4) and (7, 6). What are the slope and y-intercept of the graph of g?

Linear function t has an x-intercept of -1 and a y-intercept of 5. Which graph best represents t?

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The graph models the linear relationship between the number of monthly payments made on a loan and the remaining balance in dollars left to pay on the loan. Which statement describes the x-intercept of the graph?

• The x-intercept is 60, which represents the initial balance in dollars of the loan.

• The x-intercept is 27,000, which represents the initial balance in dollars of the loan.

• The x-intercept is 60, which represents the number of monthly payments needed to repay the loan.

• The x-intercept is 27,000, which represents the number of monthly payments needed to repay the loan.

The graph of linear function k passes through the points (-7, 0) and (1, 8). Which statement must be true?

• The slope of the graph of k is 4/3.

• The graph of k passes through the point (-1, -8).

• The zero of k is 7.

• The x-intercept of the graph of k is -7.

The water level of a river was measured each day during a two-week period. The graph models the linear relationship between the water level of the river in feet and the number of days the water level was measured. Which statement best describes the y-intercept of the graph?

• The water level increased by 0.25 ft per day.

• The maximum water level was 19.5 ft.

• The initial water level was 16 ft.

• The water level was measured for 14 days.