Solve the Quadratic Equation Featuring a Fraction: x² + 3x + 2.5 = 0

Solve the following equation:

x2+3x+212=0 x^2+3x+2\frac{1}{2}=0

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find X
00:04 Let's identify the coefficients
00:18 Let's use the roots formula
00:37 Let's substitute appropriate values according to the given data and solve
00:59 Let's calculate the square and products
01:22 There is no such thing as a root of a negative number
01:32 Therefore there is no solution to the question

Step-by-step written solution

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1

Understand the problem

Solve the following equation:

x2+3x+212=0 x^2+3x+2\frac{1}{2}=0

2

Step-by-step solution

To solve this problem, we'll apply the quadratic formula. The steps are as follows:

  • Identify the coefficients: a=1 a = 1 , b=3 b = 3 , c=2.5 c = 2.5 .
  • Calculate the discriminant, Δ=b24ac \Delta = b^2 - 4ac .
  • Apply the quadratic formula if the discriminant is non-negative.

Let's evaluate the discriminant:
Discriminant, Δ=b24ac=32412.5=910=1 \Delta = b^2 - 4ac = 3^2 - 4 \cdot 1 \cdot 2.5 = 9 - 10 = -1 .

The discriminant is 1 -1 , which is less than zero. This means the quadratic equation has no real solutions. Complex solutions are not considered here based on the problem context.

Therefore, the solution to the problem is No solution.

3

Final Answer

No solution

Practice Quiz

Test your knowledge with interactive questions

Solve the following equation:

\( 2x^2-10x-12=0 \)

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