Question

find the value of b^2-4ac,if a=3,b=9,c=6​

Answer 1

Answer:

9

Step-by-step explanation:

b²-4ac

a=3,b=9 and c=6

b²-4ac=9²-4×3×6

=81-72

=9

Answer 2

The value of b² - 4ac = 9 when a = 3 , b = 9 , c = 6

Given :

The expression b² - 4ac

To find :

The value of the expression when a = 3 , b = 9 , c = 6

Solution :

Step 1 of 2 :

Write down the given expression

The given expression is

b² - 4ac

Step 2 of 2 :

Find the value of the expression

For a = 3 , b = 9 , c = 6 we have

b² - 4ac

= 9² - 4 × 3 × 6

= 81 - 72

= 9

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