GMAT Quantitative Foundations Mastery Hub: The Industry Foun
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A prime number $p$ has the property that when $p$ is divided by 7, the remainder is 2. If $p$ is also a two-digit number, what is the sum of the digits of $p$?
s for "GMAT Quantitative Foundations Mastery Hub: The Industry Foundation," focusing on concepts from "The Complete GMAT Algebra & Equation Solving Course 2026: From Zero to Expert!": Question: Consider the quadratic equation $ax^2 + bx + c = 0$. If the discriminant, $\Delta = b^2 - 4ac$, is a perfect square and positive, which of the following statements *must* be true about the roots of the equation?
A system of linear equations is given by: $2x + ky = 10$ $4x + 8y = 20$ For what value of $k$ will this system have infinitely many solutions?
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