Factoring ax2+bx+c

Factor completely.
k² -2k - 24

• (k+4)(k-6)

• (k+4)(k+6)

• (k+6)(k-1)

• (k-4)(k+6)

Factor by grouping:
3x³-x²+6x-2

• (x²+2)(3x+1)

•  (x²+2)(3x-1)

• (3x³+6x)(x²-2)

• none of the aboe

Factor 3y² + 7y + 4.

• (3y + 1)(y + 4)

• (3y + 1)(y + 7)

• (3y + 2)(y + 2)

• (3y + 4)(y + 1)

Factor 4y² – 3y – 1. 

• (2y + 1)(2y – 1)

• (4y + 1)(y – 1)

• prime

• (4y – 1)(y + 1)

Factor 3y² + 11y – 4.

• (3y – 2)(y + 2)

• (3y – 1)(y + 4)

• (3y – 1)(y + 8)

• (y– 4)(3y + 2)

A rectangle has an area of 2x² – 19x +45 ft². What are the dimensions of the rectangle?  

• (2x - 9)(x - 5)

• (2x + 9)(x + 5)

• (2x - 5)(x - 9)

• (2x - 5)(x + 9)

Factor completely:
 3x² + 5x - 12

• (3x + 4)(x-3)

• (3x - 4)(x + 3)

• (3x + 3)(x -4)

• (3x - 3)(x + 4)

Factor
4n²-17n-15

• (n-10)(6n+1)

• (4n-5)(n-3)

• (n-5)(4n-3)

• (n-5)(4n+3)

Factor Completely

3q² + 30q + 27

• (q + 9)(q + 1)

• 3(q + 9)(q + 1)

• (q + 9)(q + 3)

• 3(q + 9)(q + 3)