Fs 1-4 Study Guide

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Lesson

1.4

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Practice B

For use with the lesson “Solve ax 2 + bx + c = 0 by Factoring”

1. 3x 2 1 10x 2 8

2. 2x 2 1 5x 2 3

3. 4x 2 1 4x 1 1

4. 2x 2 2 5x 1 1

5. 4x 2 1 5x 2 6

6. 2x 2 1 11x 1 15

7. 9x 2 1 12x 1 4

8. 12x 2 2 24x 1 9

9. 18x 2 2 2

10. 12x 2 1 17x 1 6

11. 15x 2 1 8x 2 16

12. 4x 2 2 5

13. 12x 2 2 39x 1 9

14. 18x 2 2 9x 2 14

15. 20x 2 2 54x 1 36

16. 42x 2 1 35x 1 7

17. 212x 2 2 x 1 11

Lesson 1.4

Factor the expression. If the expression cannot be factored, say so.

18. 80x 2 1 68x 1 12

Solve the equation.

19. 2x 2 1 3x 2 2 5 0

20. 2x 2 2 3x 2 9 5 0…show more content…
Area of the rectangle 5 22

2x 1 1

3x
4x 1 1

3x 1 1

7. Picture Frame You are making a frame of uniform width
3

x

for a picture that is to be displayed at the local museum.
The picture is 3.25 feet tall and 3 feet wide. The museum has allocated 15 square feet of wall space to display the picture. What should the width of the frame be in order to use all of the allocated space?

3.25 ft x x

3 ft

x

Algebra 2
Chapter Resource Book

1-47

24; they are the same.
19x; they are the same.
6. The trinomial and product of binomials in
Question 1 are different. The trinomial and product of binomials in Question 5 are equivalent.
Practice Level A
1. (2x 1 1)(x 1 2) 2. (2x 1 1)(x 1 1)
3. (3x 2 1)(x 1 2) 4. (2x 2 1)(x 2 1)
5. 2(2x 2 1)(x 1 1) 6. (3x 1 1)(2x 2 3)
7. (5x 2 4)(x 1 1) 8. 3(3x 1 2)(x 2 1)
9. (4x 1 1)(x 1 3) 10. 2(3x 2 2)(x 1 1)
11. (2x 1 3)(2x 2 3) 12. 4(x 2 1)(x 1 1)
13. 2(x 2 2)(x 2 3) 14. 3(x 1 1)(x 2 4)
15. 3(3x 2 1)(3x 1 1) 16. 4(2x 1 1)(x 2 3)
17. 2(2x 1 3)(2x 1 3) 18. 5(3x 1 2)(2x 2 1)

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