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tamaranim1 [39]
2 years ago
8

I wander what the quadramatic fourmula is

Mathematics
2 answers:
likoan [24]2 years ago
6 0
<h3>QUADRATIC FORMULA </h3>

The quadratic formula is a formula that offers the solution(s) to a quadratic equation in elementary algebra. Factoring (direct factoring, grouping, AC technique), completing the square, graphing, and other methods can be used instead of the quadratic formula to solve a quadratic problem.

Given the form of a generic quadratic equation

ax² + bx + c = 0

The quadratic formula is: whose discriminant b2 - 4ac is positive (with x representing an unknown, a, b, and c representing constants with a 0).

\rm{  \green{x _{1} =  \frac{ - b \frac{ + }{}  \sqrt{b {}^{2} - 4ac } }{2a} }}

The plus–minus symbol "" denotes that the quadratic equation has two solutions, which are written separately as:

\rm{ \green{x _{1} \frac{ - b +  \sqrt{b {}^{2} - 4ac }  }{2a} }} \: and \: \rm{ \green{x _{2} \frac{ - b -  \sqrt{b {}^{2} - 4ac }  }{2a} }}

Each of these two solutions is referred to as a quadratic equation root. These roots show the x-values at which any parabola, expressed explicitly as y = ax2 + bx + c, crosses the x-axis geometrically.

The quadratic formula, in addition to yielding the zeros of any parabola, can also be used to determine the parabola's axis of symmetry and the number of real zeros in the quadratic equation.

Marrrta [24]2 years ago
4 0
Definition of quadratic a formula
= a formula that gives the solutions of the general quadratic equation ax2 + bx + c = 0 and that is usually written in the form x = (-b ± √(b2 − 4ac))/(2a)
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2 years ago
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2 years ago
Rozalie spent $26 at a parking garage in downtown Orlando. The garage charged a base free of $7.50 for the first hour and a hour
bagirrra123 [75]
ANSWER : Rozalie spent 6.73 hours at the garage


rate of change = $2.75
base fee = $7.50

set up your equation:
2.75h + 7.5 = 26
($2.75/hour plus the base fee of $7.50 equals the total amount spent, $26)

Now just solve for h

2.75h + 7.5 = 26
2.75h = 18.5
h = 6.727273 (rounded)
h = 6.73

So the answer would be Rozalie spent about 6.73 hours at the garage.

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3 years ago
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