0
How many real solutions are there in the equation x2 plus 2x- 4 equals 0?
Wiki User
∙ 12y ago
X2 + 2X - 4 = 0
Use the discriminant to find out.
b2 - 4ac
a = 1
b = 2
c = - 4
22 - 4(1)(- 4)
4 + 16 = 20 > 1
=============so,
Two real solutions.
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
How many solutions are there to the equation 17x - 8 equals 3x plus 16?
One.
How many solutions are there for the equation x2 plus 16 equals 8x?
2 this Domo
How many solutions are there to the equation 17 x - 8 equals 3x plus 16?
one
How many solutions exist for the system of equation x plus 6y equals 12 plus 2x plus 12y equals 1?
zero solutions. If you plot these two lines, you will see that they are parallel and do not intersect.
How many real number solutions does the equation have y equals 3x2 plus 18x plus 27?
It has one double solution.
How many positive integer solutions are there to the equation x plus y plus z equals 17?
There are 120 solutions.
How many real solutions are there for the equation x2 plus 3x plus 5 equals 0?
There are no real solutions because the discriminant of the quadratic equation is less than zero.
How many solutions are there to the equation 14x plus 5 equals 14x - 19?
1
How many solutions are there for the equation x2 plus 16 equals 8x?
2 this Domo
How many solutions are there to the equation 17x - 8 equals 3x plus 16?
One.
How many solutions are there to the equation 17 x - 8 equals 3x plus 16?
one
How many solutions exist for the system of equation x plus 6y equals 12 plus 2x plus 12y equals 1?
zero solutions. If you plot these two lines, you will see that they are parallel and do not intersect.
How many real number solutions does the equation have y equals 3x2 plus 18x plus 27?
It has one double solution.
How many solutions are there in 8x plus 11 equals 8x plus 8?
That equation has no solutions.There's no number that can go in place of 'x' that canmake the equation a true statement.
How many real solutions are there to the equation shown below 4x2 plus x - 1 equals 0?
2.
How many solutions can the equation ax plus b equals c have?
Only one. x = (c - b) / a
How many real and imaginary solutions does the equation 2x2 -7x plus 9 equals x plus 1 have?
It has two equal solutions for x which are x = 2 and x = 2
