Unit Test Answers

On a coordinate plane, a dashed straight line has a positive slope and goes through (negative 3, negative 3) and (3, 1). Everything below and to the right of the line is shaded.

Tracie rides the bus home from school each day. The graph represents her distance from home relative to the number of minutes since the bus left the school.

Which shows a graph of a linear equation in standard form Ax + By = C, where A = 0, B is positive, and C is negative?

A coordinate plane with 2 lines drawn. The first line is labeled f(x) and passes through the points (0, negative 2) and (1, 1). The second line is labeled g(x) and passes through the points (negative 4, 0) and (0, 2). The lines intersect at about (2.5, 3.2)

A graph titled Cost of Erasers. The x-axis shows the number of erasers, numbered 1 to 9, and the y-axis shows the total cost in dollars, numbered 0.5 to 4.5. Blue diamonds appear at points (1, 0.5), (2, 1), (3, 1.5), (4, 2), (5, 2.5), (6, 3), (7, 3.5), (8, 4), (9, 4.5).

A coordinate plane with a line passing through the points (0, negative 1, 0) and (4, 0).

The table represents a linear function.

Which table represents a linear function?

A coordinate plane with a horizontal line passing through (negative 3, negative 3), (negative 3, 0) and (negative 3, 3).

The table represents a linear equation.

Line QR goes through points Q(0, 1) and R(2, 7). Which equation represents line QR?

The graph below shows the total cost for lunch, c, when Will and his friends buy a large salad to share and several slices of pizza, p.

A coordinate plane with a line passing through points at (0, negative 2) and (4, negative 1).

The graph shows the relationship between the total amount of money that Carly will have left, y, if she buys x packs of baseball cards.

Which graph represents a linear function?