# Algebra 10.4 Assignment Solving Quadratic Equations in factored

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```					Algebra      10.4 Assignment: Solving Quadratic Equations in factored Form
(pp 597-599)

Solve the equation.
2. 5 ( m + 4 ) = 0            3. ( y − 6 )( y + 6 ) = 0
2                                   2

4. (4m + 16)(3m – 18) = 0          5. (7t + 21)(t + 9)

⎛     1 ⎞⎛     1⎞
6. (2w – 6.4)(4w – 8.4) = 0        7. ⎜ 5n + ⎟ ⎜ 3n − ⎟ = 0
⎝     3 ⎠⎝     2⎠
Algebra      10.4 Assignment: Solving Quadratic Equations in factored Form
(pp 597-599)

Match the function with its graph.
A.
_____      8. y = (x + 4)(x – 1)

B.
_____      9. y = (x – 4)(x + 1)

C.
_____      10. y = (x – 4)(x – 1)

Find the x-intercepts and the vertex of the graph
of the function. Then sketch the graph of the
function.
11. y = (x – 6)(x + 4)
Algebra      10.4 Assignment: Solving Quadratic Equations in factored Form
(pp 597-599)

12. y = (x – 3)(-x + 7)

13. y = (x + 1)(x – 5)

14. y = (x – 5)(x – 3)
Algebra      10.4 Assignment: Solving Quadratic Equations in factored Form
(pp 597-599)

15. A diver jumps from a diving board that is 32 feet above the water. The height of the
diver is given by h = −16(t − 2)(t + 1) where the height h is measured in feet, and the
time t is measured in seconds. When will the diver hit the water? Can you see a quick way

Review.
Rewrite in decimal form. (Chapter 8 Section 4)
16. 8.57 × 108                             17. 7.22 × 10 −4           18. 1.25 × 106

19. 8.17 × 107

Find the product. (Chapter 10 Section 5)
⎛    1⎞
20. (x – 4)(x + 5)                         21. ( x − 3) ⎜ x − ⎟            22. (3x + 1)(8x – 3)
⎝    6⎠

⎛2      ⎞
23. ( 3 x + 5 ) ⎜   x − 3⎟
⎝3      ⎠

```
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