M3 Math Midterm Test

What is the factor of ab + ac = ____( ___ + ___ )

• bc ( a + a )
• a ( b + c )
• c ( a + b )
• b ( a + c )

What is the factor of 2b² + 2b = ____( ___ + ___ )

• 2b ( b + b )
• 2b ( b + 1 )
• 2 ( b + b )
• 2 ( b + 1 )

What is the factor of x² + 3x + 2 = ( ___ ± ___ ) ( ___ ± ___ )

• ( x² + 2) ( x + 1)
• ( x + 2) ( x + 1)
• ( x + 1) ( x + 3)
• ( x - 2) ( x - 1)

What is the factor of x² - x - 2 = ( ___ ± ___ ) ( ___ ± ___ )

• ( x - 2) ( x + 1)
• ( x - 2) ( x - 1)
• ( x + 2) ( x + 1)
• ( x + 2) ( x - 1)

What is the factor of x² + x - 6 = ( ___ ± ___ ) ( ___ ± ___ )

• ( x + 3) ( x - 2)
• ( x + 3) ( x + 2)
• ( x - 3) ( x - 2)
• ( x - 3) ( x + 2)

What is the factor of x² + x - 12 = ( ___ ± ___ ) ( ___ ± ___ )

• ( x + 4) ( x - 3)
• ( x + 4) ( x + 3)
• ( x - 4) ( x - 3)
• ( x - 4) ( x + 3)

What is the factor of x² - x - 6 = ( ___ ± ___ ) ( ___ ± ___ )

• ( x + 3) ( x - 2)
• ( x + 3) ( x + 2)
• ( x - 3) ( x - 2)
• ( x - 3) ( x + 2)

What is the factor of x² + 8x + 16 = ( ___ ± ___ ) ( ___ ± ___ )

• ( x + 4) ( x - 4)
• ( x + 4) ( x + 4)
• ( x - 4) ( x - 4)
• ( x - 4) ( x + 4)

What is the factor of 9x² - 49 = ( ___ ± ___ ) ( ___ ± ___ )

• ( 3x + 7) ( 3x - 7)
• ( 3x + 7) ( 3x +7)
• ( 3x - 7) ( 3x - 7)
• ( 3x - 7) ( 3x + 7)

What is the factor of 49x² - 81 = ( ___ ± ___ ) ( ___ ± ___ )

• ( 7x + 9) ( 7x - 9)
• ( 9x + 7) ( 9x +7)
• ( 7x - 9) ( 7x - 9)
• ( 7x + 9) ( 7x + 9)