Quadratic equation
Determine the numbers b and c such that x₁ = -8 and x₂ = -1 are roots of the quadratic equation:
−3x2+bx+c=0
Your answer:
−3x2+bx+c=0
Your answer:
Tips for related online calculators
Are you looking for help with calculating roots of a quadratic equation?
Do you want to round the number?
Do you want to round the number?
You need to know the following knowledge to solve this word math problem:
algebraarithmeticnumbersGrade of the word problem
Related math problems and questions:
- Roots and coefficient
In the equation 2x² + bx-9 = 0 is one root x1 = -3/2. Determine the second root and the coefficient b. - Properties of eq2 roots
If p and q are the zeroes of the quadratic polynomial f(x) = 2x2 - 7x + 3, find the value of p + q - pq. - Quadratic equation
Find the roots of the quadratic equation: 3x²-4x + (-4) = 0. - Eq2 equations
For each of the following problems, determine the roots of the equation. Given the roots, sketch the graph and explain how your sketch matches the roots given and the form of the equation: g(x)=36x²-12x+5 h(x)=x²-4x+20 f(x)=4x²-24x+45 p(x)=9x²-36x+40 g(x) - The product of the roots
Find the product and the sum of the roots of x² + 3x - 9 = 0 - Quadratic equation
Quadratic equation -4x²+bx+c=0 has roots x1 = 88 and x2 = -10. Calculate the coefficients b and c. - Roots
Find the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: 5x ² +9x + q = 0
