Advanced MathEasyConstant term of a squared binomial
Advanced Math practice question
When (x + 3)(x + 3) is expanded, what is its constant term?
Answer: 9
The constant term is 3 × 3 = 9.
Common wrong answers
- If you answered 0
- The product of the constants is not 0.
- If you answered 3
- 3 is the constant inside the bracket.
- If you answered 6
- 6 is 3 + 3, the coefficient of x.
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The function h is defined by h(x) = (x − 6)(x + 2). What is one value of x for which h(x) = 0 ?
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