Factoring Trinomials: a > 1 Answers
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1
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Which model represents the factors of 4x2 – 9?
A
An algebra tile configuration. 5 tiles are in the Factor 1 spot: 2 +x , 3 negative. 5 tiles are in the Factor 2 spot: 2 +x, 3 negative. 25 tiles are in the Product spot in 5 columns with 5 rows. First row: 2 + x squared, 3 negative x. Second row: 2 + x squared, 3 negative x. The last 3 rows are the same: 2 negative x, 3 negative.
B
An algebra tile configuration. 5 tiles are in the Factor 1 spot: 2 +x , 3 +. 5 tiles are in the Factor 2 spot: 2 +x, 3 +. 25 tiles are in the Product spot in 5 columns with 5 rows. First row: 2 + x squared, 3 + x. Second row: 2 + x squared, 3 negative x. The last 3 rows are the same: 1 + x, 1 negative x, 3 negative.
C
An algebra tile configuration. 5 tiles are in the Factor 1 spot: 2 +x , 3 +. 5 tiles are in the Factor 2 spot: 2 +x, 3 negative. 25 tiles are in the Product spot in 5 columns with 5 rows. First row: 2 + x squared, 3 + x. Second row: 2 + x squared, 3 + x. The last 3 rows are the same: 2 negative x, 3 negative.
D
An algebra tile configuration. 5 tiles are in the Factor 1 spot: 2 +x , 3 +. 5 tiles are in the Factor 2 spot: 2 +x, 3 +. 25 tiles are in the Product spot in 5 columns with 5 rows. First row: 2 + x squared, 3 + x. Second row: 2 + x squared, 3 negative x. The last 3 rows are the same: 1 + x, 2 negative x, 3 +.
2
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The model represents the factorization of 2x2+5x+3.
A
(2x+3)(x+1)B
(2x−3)(x−1)C
(3x+2)(x+1)D
(3x−2)(x−1)3
Jenna constructs the model to represent 3x2 + 11x – 4.
A
(3x + 1) and (x – 4)B
(3x – 1) and (x + 4)C
(3x – 2) and (x + 2)D
(3x + 2) and (x – 2)4
Which equation is true?
A
9x2 – 25 = (3x – 5)(3x – 5)B
9x2 – 25 = (3x – 5)(3x + 5)C
9x2 – 25 = –(3x + 5)(3x + 5)D
9x2 – 25 = –(3x + 5)(3x – 5)5
Sari is factoring the polynomial 2x2+5x+3. If one factor is (x+1), what is the other factor?
A
2x−3B
2x+3C
3x−2D
3x+26
The polynomial 6x2 + x − 15 has a factor of 2x − 3. What is the other factor?
A
3x − 5B
3x + 5C
4x − 5D
4x + 57
The polynomial 3x2 – 10x + 8 has a factor of 3x – 4. What is the other factor of 3x2 – 10x + 8?
A
x – 2B
x – 4C
x – 6D
x – 88
Which expression is a factor of 10x2 + 11x + 3?
A
x − 3B
2x + 1C
5x − 3D
10x + 39
What is the factorization of 3x2 – 8x + 5?
A
(3x – 1)(x + 5)B
(3x + 5)(x – 1)C
(3x – 1)(x – 5)D
(3x – 5)(x – 1)10
Which expression is a factor of 12x2 + 29x – 8?
A
x – 8B
2x – 1C
3x + 8D
4x + 1Did you find these answers helpful?
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