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Sample edHelper.com - Polynomials Worksheet

 Name _____________________________ Date ___________________
Polynomials
Solve by factoring.
 8 13 7  - 3 5 4  - 2 6  - 12 11 9 1 10

down 1.

49x2 - 4 = 0

(? + 2)(7x - 2)
x =
 -27
,
 27

down 2.

25x2 - 36 = 0

(5x + 6)(5x - 6)
x =
-1
 15
,
?
 15

down 3.

x2 - 6x - 55 = 0

(x - ?)(x + 5)
x =
 11 , -5

down 4.

x2 + 10x - 24 = 0

(x - 2)(x + 12)
x =
 2 , ?

down 5.

9x2 - 42x + 49 = 0

(3x - 7)(3x - 7)
x =
?
 13

down 6.

x2 + 11x + 30 = 0

(x + 6)(x + 5)
x =
 ? , -5

down 7.

25x2 - 144 = 0

(5x - 12)(5x + 12)
x =
2
 25
,
?
 25

down 8.

x2 - 9x + 8 = 0

(x - ?)(x - 1)
x =
 8 , 1

down 9.

x2 - 12x + 20 = 0

(x - ?)(x - 2)
x =
 10 , 2

across 3.

x2 - 144 = 0

(x + ?)(x - 12)
x =
 -12 , 12

across 4.

81x2 + 180x + 100 = 0

(9x + 10)(9x + 10)
x =
?
 19

across 6.

x2 - 121 = 0

(x - 11)(x + 11)
x =
 11 , ?

across 8.

64x2 + 16x + 1 = 0

(? + 1)(8x + 1)
x =
 -18

across 10.

81x2 - 100 = 0

(? - 10)(9x + 10)
x =
1
 19
,
-1
 19

across 11.

x2 + 12x + 36 = 0

(x + ?)(x + 6)
x =
 -6

across 12.

x2 + 8x + 16 = 0

(x + ?)(x + 4)
x =
 -4

across 13.

x2 - 6x + 9 = 0

(x - ?)(x - 3)
x =
 3