Advanced MathEasyCoefficient after doubling a square term
Advanced Math practice question
The expression 4y² · 2 is equal to ky², where k is a constant. What is the value of k?
Answer: 8
4 × 2 = 8, and the y² is unchanged.
Common wrong answers
- If you answered 2
- 2 ignores the 4.
- If you answered 6
- 6 adds instead of multiplying.
- If you answered 16
- 16 squares 4.
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