Determine the discriminant of the equation:
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- Variations 4/2
Determine the number of items when the count of variations of fourth class without repeating is 600 times larger than the count of variations of second class without repetition.
Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
- Quadratic equation
Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
How many elements can form six times more combinations fourth class than combination of the second class?
- Quadratic function 2
Which of the points belong function f:y= 2x2- 3x + 1 : A(-2, 15) B (3,10) C (1,4)
X+y=5, find xy (find the product of x and y if x+y = 5)
- Cylinder diameter
The surface of the cylinder is 149 cm2. The cylinder height is 6 cm. What is the diameter of this cylinder?
The product of two consecutive odd numbers is 8463. What are this numbers?
Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144
From how many elements we can create 990 combinations 2nd class without repeating?
- Reciprocal equation 2
Solve this equation: x+5/x-6=4/11
- Quadratic inequation
If 5x + x² > 100, then x is not
- Equation with abs value
How many solutions has the equation ? in the real numbers?
How much is sum of square root of six and the square root of 225?
- Theorem prove
We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
- 75th percentile (quartille Q3)
Find 75th percentile for 30,42,42,46,46,46,50,50,54