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Ada draws the graph of y = x2 - x - 2 and y = 2x - 1 on the same axes. Which of ...


Question

Ada draws the graph of y = x2 - x - 2 and y = 2x - 1 on the same axes. Which of these equations is she solving?

Options

A) x2 - x - 3 = 0

B) x2 - 3x - 1 = 0

C) x2 - 3x - 3 = 0

D) x2 + 3x - 1 = 0

The correct answer is B.

Explanation:

Given; y = x2 - x - 2, y = 2x - 1

Using y = y, gives

x2 - x - 2 = 2x - 1

x2 - 3x - 2 + 1 = 0

therefore, x2 - 3x - 1 = 0


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