Special Linear Relationships — Unit test Answers

A line is drawn through (–4, 3) and (4, 3). Which describes whether or not the line represents a direct variation?

To graph the equation 2x + 5y = 10, Zeplyn draws a line through the points (5, 0) and (0, 2). What is the slope of the line represented by 2x + 5y = 10?

What is the explicit formula for the arithmetic sequence ?

A coordinate plane with a line passing through (negative 4, 3), (0, 1), and (4, negative 1).

Which linear function represents the line given by the point-slope equation y – 8 = (x – 4)?

What is the missing value in the following arithmetic sequence?n12345an23.85.6 9.2

Is the function in the graph non-linear?

The depth of snow after n hours of a snowstorm is represented by the function f(n + 1) = f(n) + 0.8 where f(0) = 2.5. Which statement describes the sequence of numbers generated by the function?

The graph of the equation x – 2y = 5 has an x-intercept of 5 and a slope of . Which shows the graph of this equation?

The table represents a linear function.

Which table represents a linear function?

Raphael graphed the functions g(x)=x+2 and f(x)=x−1. How many units below the y-intercept of g(x) is the y-intercept of f(x)?

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

Four milliliters of ink A is added to 10 milliliters of ink B, forming a mixture of inks. Ink A contains 10% blue pigment. Ink B contains an unknown percentage of blue pigment. The mixture of the two inks contains 35% blue pigment.What percentage of blue pigment is in ink B?

A direct variation function contains the points (–9, –3) and (–12, –4). Which equation represents the function?