Factor by any method. See Examples 1–7.
Table of contents
- 0. Review of Algebra4h 18m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations1h 43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 5m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 22m
- 10. Combinatorics & Probability1h 45m
0. Review of Algebra
Factoring Polynomials
Multiple Choice
Factor out the Greatest Common Factor in the polynomial.
4x2y−100y
A
y(4x2−100)
B
4(x2y−25y)
C
4y(x2−25)
D
4y(x2−100)
2 Comments
Verified step by step guidance1
Identify the terms in the polynomial: 4x^2y and -100y.
Determine the greatest common factor (GCF) of the coefficients and variables. The GCF of 4 and 100 is 4, and the common variable is y.
Factor out the GCF from each term. This means dividing each term by the GCF, which is 4y.
Rewrite the polynomial with the GCF factored out: 4y(x^2 - 25).
Recognize that x^2 - 25 is a difference of squares, which can be further factored into (x - 5)(x + 5).
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