# Unit 1 Test Prep: Question Preview (ID: 32277)

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Why are the units paperclips, pencils, and tongue depressors not used by carpenters when they are building a house?
a) They are too short. A house needs longer tools to measure with.
b) Carpenters don't like office supplies.
c) They are dangerous. Safer tools should be used.
d) They are nonstandard measuring tools, so measurements might be different

What is the general equation of a line?
a) y=mx+b
b) (x1, y1) and (x2, y2)
c) (y2-y1)/(x2-x1)
d) x=by+m

A line goes through points (2,10) and (4,2). What is the slope of the line?
a) -4
b) 4
c) -2
d) 8

Which of the following is TRUE about a line of best fit?
a) It must go through the point (0,0)
b) It must always have a positive slope
c) It goes through the middle of where all the points are on the graph
d) It must hit all of the points on the graph

A line goes through the points (2,1) and (5,16). What is its slope?
a) -5
b) 15
c) 3
d) 5

450 cm is equivalent to how many m?
a) 4.5
b) 0.45
c) 4500
d) 50

The x-axis of a graph reads Time (s). What are the units?
a) Time
b) seconds
c) T
d) distance

The y-intercept of a line is
a) the y-value of a random point on the line
b) how steep the line is
c) where the line crosses the y-axis
d) always at (0,0)

The x-axis of a graph reads Time (s). What is the name of the variable?
a) Time
b) seconds
c) (s)
d) distance

2.1m is equivalent to how many cm?
a) 210
b) 21
c) 0.21
d) 30

The independent variable goes on the
a) x-axis
b) y-axis
c) top
d) right

The dependent variable goes on the
a) x-axis
b) y-axis
c) top
d) right

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