Solve for x. 4x2 = 324

=−9

=9

Step-by-step explanation:

4

2

=

3

2

4

4x^{2}=324

4x2=324

4

2

−

3

2

4

=

04

2

−

3

2

4

=

0

4x^{2}-324=0

4x2−324=0

4

(

2

−

8

1

)

=

04

(

2

−

8

1

)

=

0

4(x^{2}{\color{#c92786}{-81}})=0

4(x2−81)=0

4

(

2

+

9

−

9

−

8

1

)

=

0

The answer is x=9or x=-9

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x

it would take 7/10 of an hour too fill the pool.

step-by-step explanation: