Thirteen questions on the nonlinear half of the Math section: which form of a quadratic answers which question, the discriminant, the laws of exponents…
13 questions • Zestly
• A quadratic function is given by $f(x) = (x-3)^2 - 4$. What is the minimum value of the function?
• Which of the following is equivalent to $\frac{x^2 - 9}{x+3}$?
• For what value of $k$ does the equation $x^2 + 6x + k = 0$ have exactly one real solution?
• An investment grows by $12\%$ annually. If the initial amount is $1000$ dollars, which expression represents the value after $t$ years?
• Which of the following is equivalent to $(x^{1/2} \cdot x^{1/3})^6$?
• A population decreases by $5\%$ annually. Which expression represents the population after $t$ years if the initial population is $P$?
• Which of the following is equivalent to $x^2 - 5x + 6$?
• The graph of $y = x^2 - 4x + 3$ has a y-intercept at which point?
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