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Given that y = -16x2 + 160x - 256, find the value of x giving the maximum value of y, and hence give this maximum value of y.

y = -16x² + 160x - 256

x = 5

y = 144

Answered by Matthew C. • Maths tutor

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Given that y = -16x2 + 160x - 256, find the value of x giving the maximum value of y, and hence give this maximum value of y.

Related Maths IB answers

A scalene triangle has base of 5cm. The angle opposite to the base is 63°, and a second angle is 72°. Find the area of the traingle

The quadratic equation x^2 - 2kx + (k - 1) = 0 has roots α and β such that α^2 + β^2 = 4. Without solving the equation, find the possible values of the real number k.

Solve equation 5^(2*x) = 5^(x)+5

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Given that y = -16x2​​​​​​​ + 160x - 256, find the value of x giving the maximum value of y, and hence give this maximum value of y.

Related Maths IB answers

A scalene triangle has base of 5cm. The angle opposite to the base is 63°, and a second angle is 72°. Find the area of the traingle

The quadratic equation x^2 - 2kx + (k - 1) = 0 has roots α and β such that α^2 + β^2 = 4. Without solving the equation, find the possible values of the real number k.

Solve equation 5^(2*x) = 5^(x)+5

Let Sn be the sum of the first n terms of the arithmetic series 2+4+6+... . Find (i) S4 ; (ii) S100 .

We're here to help

Company Information

Popular Requests

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MyTutor is part of the IXL family of brands:

IXL

Rosetta Stone

Wyzant

Education.com

Vocabulary.com

Emmersion

Thesaurus.com

Dictionary.com

SpanishDictionary.com

FrenchDictionary.com

Ingles.com

ABCya

© 2026 by IXL Learning

Given that y = -16x2 + 160x - 256, find the value of x giving the maximum value of y, and hence give this maximum value of y.