QUESTIONS FOR THE FINAL ROUND MATH 8
EASY
1. In the expression 10x4 + 15x2 + 20x, 5x is called __________.
A. Greatest Common Monomial Factor B. Remaining Factor
C. Factored Form D. Factor Pair
ANSWER: LETTER A
AVERAGE
2. What factoring technique will you use to find the factor of the polynomial x2 -6x + xy -6y?
ANSWER: FACTORING BY GROUPING
DIFFICULT
3. Find the missing term so that the expression 25a2 + ______+ 4 forms a perfect square trinomial.
ANSWER: 20a
CLINCHER
4. What is the factored form of the expression x2 – 7x + 10?
ANSWER: (x – 5) (x – 2)
5. What is the factored form of the expression 27x3 – 125y12?
ANSWER: (3x – 5y4) (9x2 + 15xy4 + 25y8)
