Mathematics
Grade6
Easy
Question
Choose the expression that best represents the relationship between cars and minutes.
- x + 4
- 2x
- x + 5
- x - 5
Hint:
We find out a pattern between the given values by finding common differences or common ratios between the variables. Then, we derive the equation from that pattern.
The correct answer is: x + 5
Step 1 of 1:
Let Cars be x (independent) and Minutes be y (dependent).
Then, given that, for x = 5, y = 10; for x = 9, y = 14; and for x = 13, y =18.
Observe that, y - x = 5 for each case. Hence, y = x + 5.
So, the pattern indicates add 5.
Final Answer:
The right choice is-- A. x + 5
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