Quadratic Equations | Learning Zone

If one root of the equation 2×2 + 3x – k = 0 is 6, what is the value of k ?

The product of two numbers is 45 and their difference is 4. The sum squares of the two numbers is ?

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One root of x2 + kx – 8 = 0 is square of the other. Then the value of k is ?

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