AnswersWI-Mathematics Grade 8 AGraphing in a Variety of Contexts

Graphing in a Variety of Contexts Answers

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The line has slope.

A
a positive
B
a negative
C
zero
D
no
3

Identify where the given information is sufficient for graphing a linear equation. Check all that apply.

A
one point and the slope of the line
B
one point
C
one of the intercepts and the slope of the line
D
both the intercepts
E
two points
4

Which line has no slope?

A
Line a
B
Line b
C
Line c
D
Line d
6

Which statements are true about this line? Check all that apply.

A
The slope of the line is zero.
B
Another point on the line is (3,10).
C
The y-intercept of the line is –7.
D
The equation of the line is y = 10.
8

Which point also lies on the line?

A
(–6,–5)
B
(3,2)
C
(4,5)
D
(5,4)
9

The line is . The line has slope.

Answers:
Selection 1:vertical
Selection 2:no
10

Explain how you would graph the line containing a slope of –1/5 that goes through the point (1,–4).

Answer:

I would plot the point (1,4) and then use the slope to move down 1 and right 5 to find another point on the line. Draw the line through the two points.

11

Which statements did you include in your response? Check all that apply.

A
Plot the point (1,–4).
B
Move down 1, right 5 to plot a point at (6,–5).
C
Move up 1, left 5 to plot a point at (–4,–3).
D
Draw the line through the points.

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