Slope Question Preview (ID: 45833)


Slope From Various Forms. TEACHERS: click here for quick copy question ID numbers.

In the equation y=mx + b, what is the y-intercept
a) b
b) m
c) x
d) y

Is y=mx + b or y=kx proportional
a) y=mx + b
b) y=kx
c)
d)

When looking at a graph, you can tell it's proportional because....
a) the y-intercept goes through anything but the origin.
b) there is a zero in either the x or the y column of a table
c) the slope is a whole number and not a fraction
d) the y-intercept goes through the origin

What calculator functions do you use to find slope from a table?
a) Math Enter Enter
b) Stat Enter X values on L1, Y values on L2 Stat Calc 4 Enter Enter Enter Enter
c) y= first part of the equation on L1 second part on L2 2nd graph
d) Stat Enter numbers on L1 Stat Sort A or Sort D 2nd 1 Enter Stat Enter

The top part of the fraction for slope is the....
a) y value that goes up and down.
b) x value that goes left and right.
c) y value that goes left and right.
d) x value that goes up and down.

What is the x value for slope in the equation y=3x + 5
a) 3
b) 5
c) 1
d) there is no x value.

How many spaces do you go up in the equation y=5x + 3?
a) 3
b) 1
c) 5
d) 2

Jack hired a plumber to fix his sink. The plumber charges $80 just to come out to the house and $45 per hour to fix the sink. What is the equation for this problem?
a) y=15x +30
b) y=30x + 15
c) y=80x + 45
d) y=45x + 80

Is the plumbing problem proportional?
a) Yes because both 80 and 45 can be divided by 5
b) No because the plumber charges 80 to start which means there is a y-intercept.
c)
d)

Write an equation for the following scenario.... A man walks onto an elevator on the 5th floor. He goes down 2 floors and gets off the elevator. He walks 5 doors over to his apartment.
a) y=5/5x + 2
b) y=2/5x + 5
c) y=-2/5x + 5
d) y=-5/2x + 5

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