notes over 9.2 solving quadratic equations solve the equation or write no real solution. write the...

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Notes Over 9.2 Solving Quadratic Equations 1 36 2 . x Solve the equation or write no real solution. Write the solutions as integers if possible. Otherwise, write them as radical expressions. x 36 6 2 15 2 . x x 15 3 25 2 . y y 25 y 5

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Page 1: Notes Over 9.2 Solving Quadratic Equations Solve the equation or write no real solution. Write the solutions as integers if possible. Otherwise, write

Notes Over 9.2Solving Quadratic Equations

1 362. x

Solve the equation or write no real solution. Write the solutions as integers if possible. Otherwise, write them as radical expressions.

x 36 6

2 152. x x 15

3 252. y y 25y 5

Page 2: Notes Over 9.2 Solving Quadratic Equations Solve the equation or write no real solution. Write the solutions as integers if possible. Otherwise, write

Notes Over 9.2Rewriting Before Finding Square Roots

4 6 54 02. x

Solve the equation or write no real solution. Write the solutions as integers if possible. Otherwise, write them as radical expressions.

546 2x 546x2 9x

54

6

9 3

Page 3: Notes Over 9.2 Solving Quadratic Equations Solve the equation or write no real solution. Write the solutions as integers if possible. Otherwise, write

Notes Over 9.2Rewriting Before Finding Square Roots

5 5 15 02. x

Solve the equation or write no solution. Write the solutions as integers if possible. Otherwise write them as radical expressions.

155 2x 155x2 3x

15

5

3

Page 4: Notes Over 9.2 Solving Quadratic Equations Solve the equation or write no real solution. Write the solutions as integers if possible. Otherwise, write

Notes Over 9.2Rewriting Before Finding Square Roots

6 2 98 02. x

Solve the equation or write no solution. Write the solutions as integers if possible. Otherwise write them as radical expressions.

982 2x 982x2 49x

98

2

49 7

Page 5: Notes Over 9.2 Solving Quadratic Equations Solve the equation or write no real solution. Write the solutions as integers if possible. Otherwise, write

Notes Over 9.2Writing and Using Falling Object Model

7. A diver jumps from a 64-foot cliff to a lake below. Write a model for the divers height. (Disregard air resistance.) Then find the time it would take for the diver to reach the water.

h t s 16 2 640 16 642 t

64 64 16 2t

16t 2 4t

64

16

2 It would take 2 seconds

Page 6: Notes Over 9.2 Solving Quadratic Equations Solve the equation or write no real solution. Write the solutions as integers if possible. Otherwise, write

Notes Over 9.2

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