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Questions in Grade College

[Terjawab] What is the solution of the equation [tex]x^2-2 x+4=0[/tex]?

[Terjawab] Select the correct answer. Exponential function [tex]$f$[/tex] is represented by the table. Function [tex]$g$[/tex] is an exponential function passing through the points [tex]$(0,15)$[/tex] and [tex]$(2,0)$[/tex]. Which statement correctly compares the behavior of the two functions on the interval [tex]$(0,2)$[/tex]? A. Both functions are positive on the interval, but one function is increasing while the other is decreasing. B. Both functions are positive and decreasing on the interval. C. Both functions are positive and increasing on the interval. D. One function is positive on the interval, while the other is negative.

[Terjawab] Perform the multiplication: $-0.6 a^2 b \cdot\left(-10 a b^2\right)$

[Terjawab] Find the value of the expression: [tex]\frac{1}{21} x^2 y^2 \text { for } x=-\frac{1}{3}, y=4 \frac{1}{2}[/tex]

[Terjawab] Factorise the equation [tex]$3 y(2 y+a)(5-y)=6$[/tex]

[Terjawab] Which equation is quadratic in form? $3 x^5+8 x^3+6=0$ $6 x^4+7 x^2-3=0$ $5 x^6+x^4+12=0$ $x^9+x^3-10=0$

[Terjawab] What is the Operational Safety Zone? A. The area behind a Jet Engine B. The area where the Jetbridge must park C. The area which must remain clear for aircraft taxi, tow, or pushback during the aircraft arrival/departure process D. The area where all unused equipment should be parked

[Terjawab] Which sample has a higher standard deviation? Sample A: 82, 85, 87, 88, 91, 93 Sample B: 68, 73, 74, 77, 81, 81 Select the correct answer below and fill in the answer box to complete your choice. A. Sample A has the higher standard deviation of [ ]. B. Sample B has the higher standard deviation of [ ].

[Terjawab] Find the rate of change represented by the data in the table below. \begin{tabular}{l|lllll} $x$ & -8 & -4 & 0 & 4 & 8 \\ \hline $y$ & -5 & -2 & 1 & 4 & 7 \end{tabular} Is the rate of change positive or negative? a) positive b) negative Rate of Change: $\frac{\text { change in } y}{\text { change in } x}$

[Terjawab] Use the substitution method to solve the system of equations. Choose the correct ordered pair. [tex]$\begin{array}{l} 2 x+2 y=16 \\ y=x-4 \end{array}$[/tex] A. (2,-2) B. (6,-2) C. (2,2) D. (6,2)