Applying Linear Functions — Unit test Answers

The linear equation when b = 5 and m = –2 is

A line passes through the points (9, 30) and (18, 30). Which statement is true about the line?

Which expression can be used to determine the slope of the line that passes through the points (–7, 3) and (1, –9)?

Which equation represents the line that passes through points (0, 6) and (2, 0)?

The value of a baseball card can be represented by the equation , where x represents the number of years that Robert has owned the card and y represents the total value, in dollars, of the card. What was the value of the card when Robert originally purchased it?

The equation of the line that passes through points and is shown below. What value is missing from the equation?y =

A line has a slope of and passes through the point (–5, 4). Which is the equation of the line?

Which equation represents the line that passes through points B and C on the graph?

The graph shown below represents a ladder leaning against a wall. The bottom of the ladder is 4 feet from the wall, and the top of the ladder reaches 20 feet above the ground. What is the slope of the graph?

Which equation represents a line with a slope of zero?

Nate went on a trip, and he used a table of values to repeatedly record the time he had been traveling and the distance from his starting point. The function represented by the table of values is linear, and the rate of change is 50 miles per hour. What is one way for Nate to determine the initial value?

Sanjay said that if a line has a slope of zero, then it never touches the x-axis. Which line proves that his statement is incorrect?

A line passes through the points (–2, –8) and (–4, –8). Which shows the graph of this line?

A line passes through the points (2, –2) and (–6, 2). The point (a, –4) is also on the line. What is the value of a?

Based on the graph of the line below, which describes the relationship between the value of the y-intercept and the value of the slope?