Ratio Rates Direct Variation

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
Barbara White
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The value of y varies directly with x. If x=3, then y=21. What is the value of x when y=105?
3/5
1 2/3
7
15
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an electrical circuit, the voltage across a resistor is directly proportional to the current running through the resistor. If a current of 12 amps produces 480 volts across a resistor, how many volts would a current of 1.5 amps produce across an identical resistor?
60
3,840
8
320
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Roger works at a flower shop and he notices that the more flowers people buy, the more chocolates are sold too. If Roger sells 45 chocolates when 90 flowers are sold, how many chocolates does he sell if 100 flowers are sold?
90
70
50
30
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