The Roots Of The Function F(X) = X2 – 2X – 3 Are Shown. What Is The Missing Number? X = –1 And X =
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Answers ( 2 )
The Roots Of The Function F(X) = X2 – 2X – 3 Are Shown. What Is The Missing Number? X = –1 And X =
Mathematics can be a tricky subject, especially when it comes to solving equations. One of the most common equations that students must solve is the function f(x) = x2 – 2x – 3. If you’re struggling with this equation, don’t worry; we are here to help! In this blog post, we will explain the roots of the function f(x) = x2 – 2x – 3 and how to find the missing number. We’ll go over what a root is and provide an example problem so you can understand exactly how to complete the equation correctly. Keep reading for the answer to your math woes!
What is the function F(x)?
The function F(x) is a mathematical function that calculates the roots of a given equation. In this case, the equation is F(x) = x – x –, which has two roots: x = – and x =. The missing number in this equation is the value of x that satisfies both equations.
The roots of the function F(x)
Assuming that we are looking for real roots, the equation F(x) = x – x – has two roots, one at x = – and one at x =. To find the value of the missing number, we can set F(x) = 0 and solve for x. This gives us the equation:
x – x – = 0
x + x =
2x =
x =
Thus, the missing number is .
What is the missing number?
The roots of the function f(x) = x – x – are shown. What is the missing number? x = – and x =
When solving equations, we are looking for the value of x that makes the equation true. In this case, we are looking for two values of x that make the equation f(x) = x – x – true. Since we are given that f(–) = – and f(–) = –, we can conclude that the missing number is x = 0.
How to find the missing number?
There are a few different ways that you can go about finding the missing number in this equation. One way is to plug in different values for x and see what happens. Another way is to use algebra to solve for x.
If you plug in different values for x, you will notice that when x = -1, the equation becomes 0 = 0. So -1 must be the missing number.
If you use algebra to solve for x, you would start by adding 1 to both sides of the equation. This cancels out the -1 on the left side, and you are left with just an equal sign. Then you would divide both sides by 2 to solve for x. This gives you the answer of x = -1/2.
Conclusion
After solving the equation, we found that the missing number is x = 3. This means that the roots of this function are -1 and 3. Understanding these types of equations can be challenging but with a little practice, it becomes much easier to solve them quickly and accurately. By understanding how to find roots on functions like this one, you can use math in more advanced ways such as determining maximums and minimums for certain graphs or finding area under curves for more complex shapes.
Are you a math whiz? Have you ever been presented with a tricky math equation and thought, “Wow, this one is really tough!”
Well, today we’re going to solve one of those tough equations together! The equation we’re going to tackle is the function f(x) = x2 – 2x – 3. The roots of this equation are given to us — they are x = –1 and x = ? — but the missing number is what we have to figure out.
Let’s start by going over some math basics. The roots of a function are the values of x for which the equation equals 0. In this case, the equation is f(x) = x2 – 2x – 3. We know that when x = –1, the equation equals 0. So –1 is one of the roots.
Now, to figure out the other root, we need to use a little algebra. We need to find a value of x that makes the equation equal 0. We can do this by setting the equation equal to 0 and then solving for x. This gives us the equation 0 = x2 – 2x – 3.
To solve this equation, we need to use the quadratic formula. The quadratic formula states that, if the equation is of the form ax2 + bx + c = 0, then the two roots are x = [-b ± (b2 – 4ac)] / 2a. So, in our example, a = 1, b = –2, and c = –3. Plugging these values into the formula, we get:
x = [-(-2) ± (4 + 12)] / 2
x = [2 ± 16] / 2
The two solutions are x = 9 and x = –7. So, the missing number is x = –7.
So, there you have it — the missing number in the equation f(x) = x2 – 2x – 3 is x = –7. Hopefully, this helped you understand the roots of a function and the quadratic formula a little better!