Direct Proportional
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?
y=1344x
y=100x
y=5.25x
y=4/21x
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If y = 15 when x = 12 find y when x = 32.
y = (5/4)x; 40
y= (4/5)x; -40
y= 4x; 5
y= 5x; -5
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the Direct Variation Equation look like?
Y= kx
y = mx + b
y = b
y = x
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y is directly proportional to x, and y = 24 when x = 4.
What is the value of y when x = 3?
18
20
23
43
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
John and Karen both insure their properties with the Budget Insurance Company. The cost of house insurance premiums with the Budget Insurance Company is directly proportional to the value of the property being insured. John pays premiums of $76 per month on his property valued at $152,000 How much does Karen pay on her property valued at $259,000?
$44.60
$129.50
$183.00
$205.50
Tags
CCSS.7.RP.A.3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The cost of insurance on a house is directly proportional to the area of the house.
Alan has a 2,500 square-foot house and pays a monthly insurance premium of $67.50
Bella has a 3,800 square-foot house insured with the same company. What is her monthly premium?
$44.41
$80.50
$102.60
$120.60
Tags
CCSS.7.RP.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The circumference (C cm) of a circle is directly proportional to its diameter (d cm).
The circumference of a circle of diameter 3.5 cm is 11 cm
What is the circumference of a circle of diameter 4.2 cm?
9.17 cm
11.7 cm
13.2 cm
14 cm
Tags
CCSS.7.RP.A.3
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