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Questions in Grade College

[Jawaban] What is the relationship between Daisy Buchanan and Nick Carraway? A. Siblings B. Old Friends C. Cousins

[Jawaban] Use a calculator to find the common logarithm. $\log (-83)$ Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The answer is $\square$ . (Round to four decimal places as needed.) B. The answer does not exist.

[Jawaban] What is one distinguishing characteristic of a myth? A. A focus on elements of nature, such as trees and rivers B. Repetition of key phrases that aid people's memory C. A set of laws that can help people keep order D. Questions that encourage further thought

[Jawaban] Is $(4,2)$ a solution to the system $y-x=2$ and $-3x-2y=-8$? A. Yes, because $(4,2)$ is a solution to both equations. B. Yes, because $(4,2)$ is a solution to one equation. C. No, because $(4,2)$ is a solution to only one equation. D. No, because $(4,2)$ is a solution to neither equation.

[Jawaban] Select the correct answer. Given the following formula, with $A=27$ and $t=3$, solve for $r$. $A=P(1+r t)$ A. $r=\frac{27-1}{3 P}$ B. $r=\frac{27-P}{3}$ C. $r=\frac{26}{3}$ D. $r=\frac{27-P}{3 P}$

[Jawaban] A parabola, with its vertex at the origin, has a directrix at $y=3$. Which statements about the parabola are true? Select two options. A. The focus is located at $(0,-3)$. B. The parabola opens to the left. C. The $p$ value can be determined by computing 4(3). D. The parabola can be represented by the equation $x^2=-12 y$. E. The parabola can be represented by the equation $y^2=12 x$.

[Jawaban] {(16 \div 2)-6} \times 12

[Jawaban] Simplify the expression below. $\left(x^6\right)\left(x^2\right)$ A. $x^4$ B. $x^6$ C. $x^8$ D. $x^{12}$

[Jawaban] Solve the radical equation. Check for extraneous solutions. $a=\sqrt{7 a-6}$ $a=\sqrt{7 a-6}^2$ Step 1: Square to get rid of the square root. $-7 a-7 a$ Step 2: Subtract $7 a$ from both sides. $\begin{aligned} \frac{-6 a}{-6} & =\frac{-6}{-6} \\ a & =1 \end{aligned}$ Step 3: Divide by -6 . The above problem was solved INCORRECTLY. Describe the mistake that was made in this problem. A. Forgot to square the a in step 1. B. Should have added 7a instead of subtracting in step 2. C. Should have added 6 instead of dividing in step 3

[Jawaban] Work out and simplify where possible: a) $\frac{1}{5}+\frac{3}{10}$ b) $\frac{7}{8}-\frac{1}{4}$