Questions in Grade College

Questions in Grade College

[Jawaban] $4 \frac{1}{6} \times 6 \frac{2}{5}$

[Jawaban] Write the point-slope form of the line satisfying the given conditions. Then use the point-slope form to write the slope-intercept form of the equation. Slope = 4, passing through (-7,3)

[Jawaban] If [tex]u(x)=x^5-x^4+x^2[/tex] and [tex]v(x)=-x^2[/tex], which expression is equivalent to [tex](\frac{u}{v})(x)[/tex]? A. [tex]x^3-x^2[/tex] B. [tex]-x^3+x^2[/tex] C. [tex]-x^3+x^2-1[/tex] D. [tex]x^3-x^2+1[/tex]

[Jawaban] What is the net charge of the ionic compound calcium fluoride? A. 1+ B. 1- C. 2- D. 0

[Jawaban] Which of the following statements is true about single-replacement reactions? A. They involve a single product. B. They are restricted to metals. C. The element replacing the ion in the other reactant must be more active. D. Any metal replaces any other metal.

[Jawaban] A system of equations has no solution. If [tex]y=8x+7[/tex] is one of the equations, which could be the other equation? A. [tex]2y=16x+14[/tex] B. [tex]y=8x-7[/tex] C. [tex]y=-8x+7[/tex] D. [tex]2y=-16x-14[/tex]

[Jawaban] What are the $x$- and $y$-coordinates of point $E$, which partitions the directed line segment from $A$ to $B$ into a ratio of $1:2$? [tex]x=\left(\frac{m}{m+n}\right)\left(x_2-x_1\right)+x_1[/tex] [tex]v=\left(\frac{m}{m+n}\right)\left(v_2-v_1\right)+v_1[/tex]

[Jawaban] The main cable of a suspension bridge forms a parabola, described by the equation $y=a(x-h)^2+k$, where $y$ is the height in feet of the cable above the roadway, $x$ is the horizontal distance in feet from the left bridge support, $a$ is a constant, and ($h, k$) is the vertex of the parabola. At a horizontal distance of 30 ft, the cable is 15 ft above the roadway. The lowest point of the cable is 6 ft above the roadway and is a horizontal distance of 90 ft from the left bridge support. Which quadratic equation models the situation correctly?

[Jawaban] Find a rational zero of the polynomial function and use it to find all the zeros of the function. [tex]f(x)=x^4-4 x^3+13 x^2+64 x-464[/tex]

[Jawaban] Solve $-8x = 56$ for $x$.