Graphing in a Variety of Contexts Answers

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Which line on the graph below has a slope of zero?

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A line passes through the points (–5, 2) and (10, –1). Which is the equation of the line?

y = negative one-fifth x + 1

y = one-fifth x + 3

y = –5x – 23

y = 5x + 27

Which line on the graph below has an undefined slope?

A line has a slope of –3 and a y-intercept of 3. What is the x-intercept of the line?

–9

–1

Which equation represents a line with an undefined slope?

y = x

y = –x

y = 0

x = 0

A horizontal line passes through the point (5, –1). Which point is also on this line?

(0, 0)

(–1, 5)

(5, –4)

(–2, –1)

A line has a slope of and a y-intercept of –2. What is the x-intercept of the line?

–4

–1

A line is defined by the equation . Which shows the graph of this line?

On a coordinate plane, a line goes through points (0, 3) and (3, 0).

On a coordinate plane, a line goes through points (0, negative 3) and (0, 3).

On a coordinate plane, a line goes through points (0, 0) and (2, 6).

On a coordinate plane, a line goes through points (negative 2, 6) and (0, 0).

A line passes through the points (–1, 10) and (3, 2). Which shows the graph of this line?

On a coordinate plane, a line goes through points (0, 8) and (4, 0).

On a coordinate plane, a line goes through points (0, 4) and (8, 0).

On a coordinate plane, a line goes through points (2, negative 4) and (4, 8).

On a coordinate plane, a line goes through points (negative 4, 2) and (8, 4).

A line passes through the points (–3, –4) and (6, 2). What is the x-intercept of this line?

–3

–2

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