What is an equation with two solutions?

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What is an equation with two solutions?

A line can only cross another line in at most one place, so there can be at most one solution (x=3). A parabola, though, curves, so it can cross the x axis in two places. So if you have an equation like x^2 + 5x + 6 = 0, it can have two solutions.

Sometimes we use the symbol ∞, which means infinity, to represent infinite solutions.

Q. Does the absolute value of x equal X?

More Formal. Which says the absolute value of x equals: x when x is greater than zero. 0 when x equals 0.

Q. What is the R symbol in math?

R = real numbers, Z = integers, N=natural numbers, Q = rational numbers, P = irrational numbers.

Q. How do you know if an equation has two Solution?

A quadratic equation has two solutions. Either two distinct real solutions, one double real solution or two imaginary solutions. All methods start with setting the equation equal to zero.

Q. How do you solve problems with two variables?

In a twovariable problem rewrite the equations so that when the equations are added, one of the variables is eliminated, and then solve for the remaining variable. Step 1: Multiply equation (1) by -5 and add it to equation (2) to form equation (3) with just one variable.

Q. What is a quadratic equation with 2 solutions?

The discriminant is negative, so the quadratic equation has two complex solutions. The quadratic equation x2 – 4x + 10 = 0 has two complex solutions. Suppose a quadratic equation has a discriminant that evaluates to zero….

x = −1 + 2ix = −1 – 2i
1 – 4 – 2 = −51 – 4 – 2 = −5
−5 = −5−5 = −5
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