## Solution by quadratic formula, Mathematics

Assignment Help:

Help me how to solve equation by Quadratic Formula.

#### Damping force, The subsequent force that we want to consider is damping. Th...

The subsequent force that we want to consider is damping. This force may or may not be there for any specified problem. Dampers work to counteract any movement. There are some w

#### 2(sin 6+cos6) - 3(sin4+cos4)+1 = 0, 2(sin 6 ?+cos 6 ?) - 3(sin 4 ?+cos 4 ?...

2(sin 6 ?+cos 6 ?) - 3(sin 4 ?+cos 4 ?)+1 = 0 Ans:    (Sin 2 ?)3  + (Cos 2 ?)3-3 (Sin 4 ?+(Cos 4 ?)+1=0 Consider (Sin 2 ?)3  +(Cos 2 ?)3 ⇒(Sin 2 ?+Cos 2 ?)3-3 Sin 2 ?Co

#### What is the probability that |x| < 2 , A number x is chosen at random ...

A number x is chosen at random from the numbers -3, -2, -1, 0 1, 2, 3. What is the probability that  | x| Ans :    x  can take 7 values To get |x| Probability (| x |

#### Equations, At a bakery the cost of 30 experts is 45\$. Write an equation tha...

At a bakery the cost of 30 experts is 45\$. Write an equation that shows the cost of 45 cookies

#### How far up the building will the ladder reach?, A rescue and ?re squad plac...

A rescue and ?re squad places a 15 ft ladder against a burning building. If the ladder is 9 ft from the base of the building, how far up the building will the ladder reach? a. 8

#### Analysis of algorithm running time - undirected graph, Problem. You are giv...

Problem. You are given an undirected graph G = (V,E) in which the edge weights are highly restricted. In particular, each edge has a positive integer weight of either {1, 2, . .

#### Design an automaton that accepts only even numbers, Design an automaton tha...

Design an automaton that accepts just only even numbers of 0s and even number of 1's. Ans: The needed automata that accepts even number of 0's and even number of 1's is specifi

#### Help me help me!, A 65 ohm resistor is connected to a power supply , a curr...

A 65 ohm resistor is connected to a power supply , a current of 2.4 amperes is drawn. what is the output voltage?

#### The point which divides a gven line - segment externally, The point which d...

The point which divides a gven line - segment externally: Construction : i )Draw BX making an actue angle at B. ii) Starting from B mark three equal points on BX as sh

y"-3y''-4y=2sinx

#### Jermy

2/12/2013 2:34:50 AM

Ax2 + bx + c = 0 whereas a ≠ 0

The roots of the equation are obtained via the given formula as:

X = (-b + √(b2 - 4ac))/2a

Example

Solve for x ia formula

5x2 + 2x - 3 = 0

Solution

a = 5 and b = 2 and c = - 3

X = (-b + √(b2 - 4ac))/2a

X = (-2 + √(22 - 4(5)(-3)))/2(5)

X = 3/5 or -1