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Rufina [12.5K]
2 years ago
11

Given that a=4, b=3 and c=-4 work out b(squared) -2ac

Mathematics
2 answers:
Lesechka [4]2 years ago
4 0

Answer:

41

Step-by-step explanation:

b^2 -2ac

Let  a=4  b=3  c=-4

( 3)^2 -2 (4) (-4)

Exponents first

9 - 2 (4) (-4)

Multiply

9 + 32

41

Monica [59]2 years ago
4 0

Answer:

41

Step-by-step explanation:

b^2 - 2ac                plug in the values

3^2 -2(4)(-4)             start with the exponent (remember PEMDAS)

9  -2(4)(-4)                start multiplying from left to right

9  -8(-4)                    multiply

9 + 32                       add

41                              that's your answer :)  

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Step-by-step explanation:

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