Notes Over 9.2 Solving Quadratic Equations Solve the equation or write no real solution. Write the...

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

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

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

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

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

Notes Over 9.2