2nd 9 Weeks Review

Which equation is equivalent to 4x - 3y = 15 when solved for y?

The graph of part of linear function h is shown on the coordinate grid. Which inequality best represents the domain of the part shown?

• All real numbers

• All real numbers greater than -6 and less than 8

• All real numbers greater than or equal to -6 and less than 8

• All real numbers greater than -3 and less than or equal to 6

The graph of a linear function is shown on the coordinate grid. Which inequality best represents the range of this function?

• -3 < y ≤ 6

• -9 ≤ y < 8

• y ∈ ℜ

• -9 < y ≤ 8

The graph represents the height of a golf ball in feet as a function of the elapsed time since it was hit. The golf ball was in the air for the given time. What are the domain and range of the representative function?

• Domain: 0 ≤ x ≤ 80, Range: 0 ≤ y ≤ 4

• Domain: 0 < x < 80, Range: 0 < y < 4

• Domain: 0 ≤ x ≤ 4, Range: 0 ≤ y ≤ 80

• Domain: 0 < x < 4, Range: 0 < y < 80

A function is shown on the graph. What is the domain of the function?

• The domain is all real numbers greater than -5 and less than 4.

• The domain is all real numbers greater than -6 and less than or equal to 5.

• -6 ≤ x < 5

• -20.25 ≤ x ≤ 10

A function is shown in the graph. What are the domain and range for the function?

• Domain: y > 0, Range: x ∈ ℜ

• Domain: x ∈ ℜ, Range: y ≥ 0

• Domain: y ≥ 0, Range: x ∈ ℜ

• Domain: x ∈ ℜ, Range: y > 0

The graph represents a function. What is the value of f(4)?

• -1

• 0

• 2

• 4

• 3

• 7

• -1

What are the slope and equation of the line that passes through the point (–2.5, 14) and is parallel to the line y = 8?

• The slope is undefined, and the equation of the line is y = 14.

• The slope is zero, and the equation of the line is y = 14.

• The slope is undefined, and the equation of the line is x = –2.5

• The slope is zero, and the equation of the line is x = –2.5.

What are the equation and slope of the line shown on the coordinate grid?

• y = 3; slope is zero

• x = 3; slope is -1/3

• y = 3; slope is 3

• x = 3; slope is undefined