3 years ago

B2 - 4ac > 0 means the root is real. True or False

Mathematics

2 answers:

dsp733 years ago

6 0

I'm pretty sure it's true.

attashe74 [19]3 years ago

5 0

This seems to be the dicriminant

when it is positive, that means it has 2 real roots

so the statement is true

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Step-by-step explanation:

According to the Order of Operations [GEMS\BOMDAS\PEMDAS etc.], in this case, evaluate everything in grouping symbols first, then evaluate the exponents to avoid confusion:

$\sqrt{(32 + {2}^{3} - 4)} = \sqrt{32 + 8 - 4} = \sqrt{36} = ±6 \\ \\ (17 - 11 + {4}^{2}) \div 11 = (17 - 11 + 16) \div 11 = \\ \\ 22 \div 11 = 2$

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