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Bess [88]
3 years ago
6

For the equation y = 2x2 − 5x + 18, choose the correct application of the quadratic formula.

Mathematics
2 answers:
Mazyrski [523]3 years ago
6 0
X equals five plus or minus the square root of negative five squared minus four times two times eighteen, all divided by two times two
gladu [14]3 years ago
3 0

Answer:

Option 2nd is correct

x equals five plus or minus the square root of negative five squared minus four times two times eighteen, all divided by two times two

Step-by-step explanation:

Given the equation:

y = 2x^2-5x+18

Use the quadratic formula:

A quadratic equation y = ax^2+bx+c.............[1], then the solution is given by:

x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}

On comparing given equation with [1]

a = 2 , b = -5 and c = 18

then;

x = \frac{-(-5) \pm \sqrt{(-5)^2-4(2)(18)}}{2(2)}

⇒x = \frac{5 \pm \sqrt{(-5)^2-4(2)(18)}}{2(2)}

Therefore, the correct application of the quadratic formula is,

x equals five plus or minus the square root of negative five squared minus four times two times eighteen, all divided by two times two

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3 years ago
Read 2 more answers
What is 0.002 1/10 of
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<span>0.002 1/10 of what
=> 1/10a = 0.002
=> Now, let’s multiply both sides with 10 to find the answer since we’re looking for the 1/10 of what number.
=> 10 x 1/10 a = 10 x 0.002
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Thus, 0.002 is the 1/10 of 0.02 number.
let’s check if we have a correct answer.
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</span>



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