Polynomials and Rational Expressions Question
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Grade 11 Polynomials and Rational Expressions CCSS: HSA-APR.C.5
For the expansion of [math](a+b)^7[/math], which statements correctly describe how to find the coefficient of the [math]a^4b^3[/math] term?
- It is the number of ways to choose 4 a’s from 7 factors of (a+b)
- It is equal to the coefficient of the [math]a^3b^4[/math] term
- It can be found by calculating 7 x 6 x 5
- It is the 4th number in the 7th row of Pascal’s Triangle
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