Determine whether the equation y=3sqrt [7](x) defines y as a function of x. Does the equation y=3sqrt [7](x) define y as a function of x? A. No, because for any input x, the equation yields more than one output y. B. Yes, because any equation in terms of x and y is a function. C. No, because for any input x, the equation yields only one output y. D. Yes, because for any input x, the equation yields only one output y.

- Solve. (Put a comma between your answers.) $\frac {x+3}{x+5}-\frac {2x}{x-5}=\frac {4x+45}{x^{2}-25}$

Consider the matrix equation below. $[\begin{matrix} 5&-8\\ -10&9\end{matrix} ]\cdot [\begin{matrix} 4\\ 6\end{matrix} ]=[\begin{matrix} A\\ B\end{matrix} ]$ What are the values of A and B? Note: Your answers should be integers. $A=\square $ $B=\square $

4. Evaluate the expression. $(8+9i)+(-5+4i)$ 5. Simplify the expression. $2i(7-i)$ A) $2+14i$ B) $-2+14i$ C) $14-2i$ D) $14+2i$ 6. Evaluate the expression. $(8-9i)(-5+6i)$ 7. Solve the quadratic equation by the square root method. $x^{2}=144$

24. What is the factored form of $27p^{3}-8q^{3}$ $(3p-2q)(9p^{2}+6pq+4q^{2})$ $(3p-2q)(3p-2q)(3p-2q)$ $(3p+2q)(9p^{2}-6pq+4q^{2})$ $(3p+2q)(9p^{2}-12pq+4q^{2})$

12. What is the highest degree of the polynomial below? $-x(x-5)^{3}(x+2)^{2}(x+4)$

A student was asked to solve $4x^{2}-12x=0$ by factoring out the GCE At what step did the student first make an error? Given: $4x^{2}-12x=0$ Step 1: $4x(x+3)=0$ Step 2: $4x=0$ and $x+3=0$ Step 3: $x=0$ and $x=-3$ (1 point) Step 1 Step 2 Step 3

b) $\frac {-4}{3-2z}+\frac {4z+18}{9-4z^{2}}$

Part A Solve the equation. $4x-9=11$ (1 point) $x=$ $\square $ Part B Solve the equation. $\frac {x}{4}+14=23$ (1 point) $x=$ $\square $

15. Create a system of linear equations and tell me what the solution is.

5. Find the GCF and LCM of the numbers given below. a. 36,60 b. 84,224 c. 15,39,105 d. 16,20,48