# Linear Functions: Question Preview (ID: 22046)

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After determining the slope of a line that is parallel, how do I determine the y-intercept of the new equation?
a) flip the slope and change the sign
b) use the provided point and plug it in for x and y
c) use the same y-intercept
d) do nothing

When graphing the equation y=3/5x+2, I would plot the first point at 2 on the y-axis and
a) go up 5 and right 3
b) go down 3 and right 5
c) go up 3 and left 5
d) go up 3 and right 5

When graphing the equation y=2/5x - 7, I would plot the first point at:
a) 7 on the y-axis
b) -7 on the y-axis
c) 7 on the x-axis
d) -7 on the x-axis

If f(x)=3x-4, find f(6)
a) 5
b) 3.3
c) 22
d) 14

Which point represents the y-intercept? (2,0),(1,5),(0,5),(10,4)
a) (2,0)
b) (1,5)
c) (0,5)
d) (10,4)

Sam baking cookies for a fund raiser. She starts out with 5 pounds of flour. Every batch of cookies takes up a half pound. Which equation represents the amount of flour Sam has as she is making cookies?
a) y=5-1/2x or y=-1/2x+5
b) y=5-2x or y=-2x+5
c) y=1/2-5x or y=-5x+1/2
d) y=-1/2+5x or y=5x-1/2

Which point goes with the equation y= 3x-4
a) (0, 2)
b) (1, 5)
c) (-2, -10)
d) (0,4)

What is the y-intercept of the line y=-5x+10
a) 10
b) -10
c) 5
d) -5

what is the slope of a line that goes through the points (3,4) and (-3,2)
a) 3
b) -3
c) 1/3
d) -1/3

How would you find the slope of a line if you are given two points?
a) Make it up
b) (y2-y1)/(x2-x1)
c) use the same slope
d) flip and change the sign

What is the slope in the equation y= -2x+3
a) -2
b) 3
c) -2/3
d) 3/-2

What is a parallel slope to line y=3/4x-5
a) -3/4
b) 4/3
c) 3/4
d) -4/3

What is the slope of a line that is perpendicular to y=3x-7
a) 3
b) -1/3
c) 1/3
d) -3

what do we look for to determine if a set of data represents a function?
a) repeats in the domain
b) repeats in the range
c) the same number appearing more than once anywhere
d) negative numbers

Which of the following answers show a way to find slope?
a) (y2-y1)/(x2-x1)
b) rise/run
c) (change in y)/(change in x)
d) all answers show a way to find slope

what does the m represent in y=mx+b
a) x-intercept
b) slope
c) y-intercept
d) a point

what does the b represent in y=mx+b
a) x-intercept
b) slope
c) y-intercept
d) a point

Which data set represents a function?
a) (2,5),(3,4),(-2,6),(1,5)
b) (2,5),(3,4),(-2,6),(2,5)
c) (-2,5),(3,4),(-2,6),(1,5)
d) (2,5),(1,4),(-2,6),(1,5)

What two things do you need to write the equation of a line?
a) an x and a y
b) a function and a point
c) a slope and a y-intercept
d) the x-intercept and a line

After determining the slope for a line that is perpendicular by flipping it and changing the sign, how do I determine a new y-intercept
a) use the same y-intercept
b) use the x-intercept
c) use the provided point and plug it in for x and y
d) pick a number from the point

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