CAN SOMEONE HELP EXPLAIN THIS TO ME !!!!

Mathematics

1 answer:

Jet001 [13]3 years ago

8 0

The quadratic formula is above.

You want each equation in standard form: ax^2 + bx + c = 0
I begin each problem by defining variables.
For instance 3. Is in standard form. X^2 -2x - 3 = 0. a = 1, b = -2, c = -3

Now use quadratic formula: x = [- b + or - sqrt(b^2 - 4ac)]\2a

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Hey there Smarty!

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ankoles [38]

(1) let there be x book and let the total cost be y dollars.
y=19.25x+40
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Step-by-step explanation:

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