Questions in mathematics

Questions in mathematics

[Free] What is the value of \(2 + \frac{1}{2 + \frac{1}{2 + \ldots \infty}}\)? (A) \(1 - \sqrt{2}\) (B) \(\sqrt{2} + 1\) (C) \(1 \pm \sqrt{2}\) (D) none of these

[Free] \frac{\sin x \ln (\cos x)}{\cos x}

[Free] What is the value of this expression when [tex]g=-3.5[/tex]? [tex]8-|2 g-5|[/tex] A. 20 B. 10 C. 6 D. -4

[Free] Solve for x. $2 x^2-7 x+3=0$

[Free] When [tex]$1,250^{\frac{3}{4}}$[/tex] is written in its simplest radical form, which value remains under the radical? A. 2 B. 5 C. 6 D. 8

[Free] What is $y^2-3 y-18$ in factored form?

[Free] Using the binomial theorem, what is the expansion of $(x+3y)^5$? A. $(x+3 y)^5=x^5+15 x^4 y+90 x^3 y^2+270 x^2 y^3+405 x y^4+243 y^5$ B. $(x+3 y)^5=x^5+5 x^4 y+10 x^3 y^2+10 x^2 y^3+5 y^4+y^5$ C. $(x+3 y)^5=x^5+x^4 y+x^3 y^2+x^2 y^3+x y^4+y^5$ D. $(x+3 y)^5=y^5+15 y^4 x+90 y^3 x^2+270 y^2 x^3+405 y x^4+243 x^5

[Free] $\begin{aligned} y & =-x \\ 10 x+2 y & =40\end{aligned}$

[Free] $x+5 y=46$ and $x-y=-14$

[Free] Simplify the following polynomial expression: $\left(5 x^3+4 x^2+6 x-3\right)+\left(-2 x^3+3 x^2-7 x+9\right)-(5 x+3)\left(4 x^2+x-1\right)$