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Back to Tutor Intake Assessment: Use variables to represent two quantities in a real-world problem that change in relationship to one another

6.EE.C.9 Tutor Intake -- Dependent and Independent Variables

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Grade 6·8 problems·~9 min·Common Core Math - Grade 6·standard·6-ee-c-9
Work through problems with immediate feedback
A

Concepts

1

A printer prints pages at a steady rate. You choose how many
minutes it runs; the number of pages printed depends on that
choice. Which variable is independent and which is dependent?

2

For the printer scenario (minutes chosen, pages determined),
which axis should minutes be plotted on, and why?

3

A relationship's table includes the row (input = 0, output = 0).
Is this relationship proportional or non-proportional? Enter 1
for proportional or 2 for non-proportional.

B

Procedures

1

A candle burns at 2 inches lost per hour. Let hh = hours burned
and LL = inches lost. Write the equation expressing LL in terms
of hh. Evaluate your equation at h=3h = 3 to check it. Enter the
numerical value of LL at h=3h = 3.

2

A water tank starts with 15 gallons already in it and gains 4
gallons every minute. Let mm = minutes and VV = total gallons
in the tank. Which equation correctly models this relationship?

3

For the equation y=5x+8y = 5x + 8, build a table starting at x=0x = 0.
What is the value of yy in the very first row (at x=0x = 0)?
Enter the numerical value.

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