Let’s discuss the question: which equation shows the quadratic formula used correctly. We summarize all relevant answers in section Q&A of website 1st-in-babies.com in category: Blog MMO. See more related questions in the comments below.

## Which equation shows the quadratic formula used correctly 5x 2 3x 4 0?

Answer: The equation that shows the quadratic formula is used correctly to solve 5x^{2} + 3x – 4 = 0 for x is **x = [-3 ± √{3 ^{2} − 4 × 5 × (-4)}] / (2 × 5)** and the values of x are (-3 + √89)/10 and (-3 – √89)/10.

## What is the correct formula for quadratic equation?

The form **ax ^{2} + bx + c = 0** is called standard form of a quadratic equation. Before solving a quadratic equation using the Quadratic Formula, it’s vital that you be sure the equation is in this form.

### How To Solve Quadratic Equations Using The Quadratic Formula

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## How do you know if a quadratic equation is correct?

Whatever method you use, **test the roots to confirm that they are correct**. Check your answers to a quadratic equation by reworking them into the original equation and seeing if they equal 0. Write the quadratic equation and the roots that you calculated.

## What is the discriminant of 3×2 10x =- 2?

The discriminant of is **76**.

## Which equation shows the quadratic formula correctly to solve 7x?

Therefore, the quadratic formula used correctly to solve 7x^{2} = 9 + x for x is **x=1±√25314** x = 1 ± 253 14 .

## What is the quadratic formula used for quizlet?

The quadratic formula is used **to solve an equation** and the result is . Solve this quadratic equation using the quadratic formula. Solve this quadratic equation using the quadratic formula.

## Why quadratic equation is called quadratic?

In mathematics, a quadratic is a type of problem that deals with a variable multiplied by itself — an operation known as squaring. This language derives from the area of a square being its side length multiplied by itself. **The word “quadratic” comes from quadratum, the Latin word for square**.

## Which of the following is quadratic equation?

∴ **x² – 6x + 8 = 0**, which is a quadratic equation.

## What is the purpose of the quadratic formula?

The quadratic formula **helps you solve quadratic equations**, and is probably one of the top five formulas in math.

### Using the quadratic formula to solve an equation

### Images related to the topicUsing the quadratic formula to solve an equation

## How is the quadratic formula different from a quadratic equation?

In elementary algebra, the quadratic formula is **a formula that provides the solution(s) to a quadratic equation**. There are other ways of solving a quadratic equation instead of using the quadratic formula, such as factoring (direct factoring, grouping, AC method), completing the square, graphing and others.

## When deriving the quadratic formula by completing the square What expression can be added to both sides of the equation to create a perfect square trinomial quizlet?

So, the square of **\frac{b}{2a}2ab** should be added to both sides to get a perfect square trinomial.

## Which equation has a graph that is a parabola with a vertex at 2 0 )?

The equation of a parabola with a vertex (-2, 0) is **y=(x+2)2** y = ( x + 2 ) 2 .

## Which equation has a graph that is a parabola with a vertex at 5’3 )?

The equation of a parabola with a vertex at (5, 3) is **y = (x – 5) ^{2} + 3**.

## Which is the graph of a quadratic equation that has a positive discriminant?

Remember, the solutions to a quadratic equation are often called roots or zeros. The roots/zeros/solutions are the the values for x that make the equation equal to 0. On a graph, this will be where the parabola crosses the x-axis. Anytime the discriminant is positive, the graph will **cross the x-axis twice**.

## What is standard form of a quadratic?

The standard form of a quadratic function is **f(x)=a(x−h)2+k**. The vertex (h,k) is located at h=–b2a,k=f(h)=f(−b2a).

## What are the values of a B and C in the quadratic equation 2×2 4x 3 0?

Answer. Answer: **a=-2, b=4, c=-3** is the correct answer.

### Deriving the Quadratic Formula

### Images related to the topicDeriving the Quadratic Formula

## What is the value of B in the equation?

The b-value is **the middle number, the number next to the x**. The other letters, a and c, are also numbers like b. Each of these can be any number. In combination, they tell you what the quadratic function will look like when graphed.

## What are the 5 examples of quadratic equation?

**Examples of the standard form of a quadratic equation (ax² + bx + c = 0) include:**

- 6x² + 11x – 35 = 0.
- 2x² – 4x – 2 = 0.
- -4x² – 7x +12 = 0.
- 20x² -15x – 10 = 0.
- x² -x – 3 = 0.
- 5x² – 2x – 9 = 0.
- 3x² + 4x + 2 = 0.
- -x² +6x + 18 = 0.

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