Textbook Question
Among all pairs of numbers whose sum is 16, find a pair whose product is as large as possible. What is the maximum product?
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4. Polynomial Functions
Quadratic Functions
Back4. Polynomial Functions
Quadratic Functions
- Textbook Question
Among all pairs of numbers whose difference is 24, find a pair whose product is as small as possible. What is the minimum product?
631views - Textbook Question
Height of an Object If an object is projected upward from an initial height of 100 ft with an initial velocity of 64 ft per sec, then its height in feet after t seconds is given by . Find the number of seconds it will take the object to reach its maximum height. What is this maximum height?
642views - Textbook QuestionFind a value of c so that y = x^2 - 10x + c has exactly one x-intercept.868views
- Textbook QuestionFor what values of a does y = ax^2 - 8x + 4 have no x-intercepts?615views
- Textbook QuestionDefine the quadratic function ƒ having x-intercepts (2, 0) and (5, 0) and y-intercept(0, 5).1337views
- Textbook QuestionDefine the quadratic function ƒ having x-intercepts (1, 0) and (-2, 0) and y-intercept(0, 4).757views
- Textbook QuestionThe distance between the two points P(x₁, y₁) and R(x₂, y₂) is d(P, R) = √(x₁ - x₂)^2 + (y₁-y₂)^2. Distance formula. Find the closest point on the line y = 2x to the point (1, 7). (Hint: Every point on y = 2x has the form (x, 2x), and the closest point has the minimum distance.)706views
- Textbook QuestionA quadratic equation ƒ(x) = 0 has a solution x = 2. Its graph has vertex (5, 3). What is the other solution of the equation?668views
- Textbook Question
In Exercises 97–98, write the equation of each parabola in vertex form. Vertex: (-3,-4) The graph passes through the point (1,4).
841views - Textbook Question
In Exercises 97–98, write the equation of each parabola in vertex form. Vertex: (-3,-1) The graph passes through the point (-2,-3).
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