ch 3 test

# ch 3 test - Chapter 4 Test B Name Date 1 Factor 8m4n 16mn4...

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Chapter 4 Test B Name: __________________________ Date: _____________ 1. Factor. 8 m 4 n – 16 mn 4 A) 8 m 4 n (1 – 2 n 3 ) B) 8 m 4 n 4 ( m – 2 n ) C) 8 mn ( m 3 – 2 n 3 ) D) 8 m 4 n (1 – 16 mn 4 ) 2. Factor completely. 5 a 2 – 125 A) 5 a ( a – 25) B) (5 a – 1)( a – 125) C) 5( a – 5) 2 D) 5( a + 5)( a – 5) 3. Factor completely. x 2 + 8 x + 15 A) ( x + 1)( x + 15) B) ( x – 3)( x – 5) C) ( x + 3)( x + 5) D) ( x + 3)( x – 5) 4. Factor. –12 x 3 + 36 x 2 A) 12 x ( x 2 + 36 x ) B) –12 x 2 ( x + 36) C) 6 x 2 (–2 x + 36) D) 6 x 2 (–2 x + 6) 5. Factor completely. y 4 + 3 y 3 – 5 y 2 – 15 y A) y ( y 2 – 3)( y + 5) B) y ( y 2 – 5)( y + 3) C) ( y 3 – 5 y )( y + 3) D) ( y 3 – 3 y )( y + 5) 6. Solve. x 2 = –6 x A) 6, –6 B) 0, –6 C) 2, 6 D) 0, 6 7. Use the ac test to determine if the following trinomial can be factored. x 2 + 2 x + 3 A) Not factorable B) Factorable 8. State which method should be applied as the first step for factoring the polynomial.

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ch 3 test - Chapter 4 Test B Name Date 1 Factor 8m4n 16mn4...

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