SAT Systems of two linear equations Question

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Question 1 · Medium · MathOctober 2024 Batch 1 · Q19Systems of two linear equations in two variables · 0 solved

In the given system of equations, C is a constant. The system has two distinct real solutions. Which of the following could be the value of C? $y = x - C$ $y = - 3 (x - 10)^{2}$

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SAT discriminant: how many solutions, without solving — When an SAT question asks for exactly one solution or no real solution, it is asking about b² − 4ac. Solving the quadratic is the slow way to get it wrong.