Questions in Grade College

Questions in Grade College

[Free] If [tex]f(x)=\frac{1}{2}\lfloor x\rfloor[/tex], what is [tex]f(7.6)[/tex]? A. 3 B. 3.5 C. 3.8 D. 4

[Free] Evaluate the function [tex]f(x)=-2 x^2-3 x+5[/tex] for the input value -3

[Free] What is meant by a "flash flood"? A) Heavy rain accompanied by lightning B) The iridescent color of an oil slick on flood waters C) Floods occurring quickly, sometimes with little warning

[Free] The solutions to a quadratic equation are $x=2$ and $x=7$. If $k$ is a nonzero constant, which of the following must be equal to the quadratic equation? $(x-2)(x-7)+k=0$ $k(x-2)(x-7)=0$ $k(x+2)(x+7)=0$ $(x+2)(x+7)+k=0$

[Free] Simplify: $\left(\frac{2 x^2+5 x+2}{x+1}\right)\left(\frac{x^2-1}{x+2}\right)$ A. $2 x^2-x-1$ B. $2 x^2-x-6$ C. $2 x^2+3 x+1$ D. $2 x^2-3 x+1$

[Free] Select the correct answer. Which of these activities would have been considered suitable for women in the Elizabethan period? A. law B. medicine C. science D. painting

[Free] What is the $y$-coordinate of the point that divides the directed line segment from J to K into a ratio of $5: 1$? $v=\left(\frac{m}{m+n}\right)\left(v_2-v_1\right)+v_1$ -8 -5 0 6

[Free] Which describes the positions on a horizontal number line? A. All points to the left of one are positive when one is negative. B. All points to the right of one are positive when one is negative. C. All points to the left of zero are negative. D. All points to the right of zero are negative.

[Free] Which one of the following mathematical statements is true? A) [tex]$28+0=0$[/tex] B) [tex]$0 \div 28=0$[/tex] C) [tex]$28 \div 0=0$[/tex] D) [tex]$28-0=0$[/tex]

[Free] Solve: [tex]\sqrt{7 f+5}=5[/tex]