Electrical Engineering Orientation/Algebra and Precalculus

If ${\displaystyle f(x)}$ is a polynomial of the third degree of x and ${\displaystyle f(a)=0}$, then ...

In the following equation ${\displaystyle f(x)=ax^{2}+bx+c}$, ${\displaystyle {\mathcal {4}}}$ is called a discriminant. If ${\displaystyle {\mathcal {4}}\geq 0}$ then ...

Which of the following graphs represents ${\displaystyle f(x)=x^{2}-4}$ ?

By exponential laws the following expression ${\displaystyle 2^{x-2}3^{x-2}}$ can be simplified to which of the following expressions?

${\displaystyle x_{1,2}={\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}}$ is generally known as ...

The 1^st term of an arithmetic sequence is 2 and the 15^th term is 32. what is the middle term?

The first derivative of the function ${\displaystyle f(x)=6x^{2}-3x-1}$ is ...

What is a local maximum of the following polynomial ${\displaystyle A=2t^{3}-3t^{2}+t}$ is ...

Which of the following diagrams is the correct sketch representation of the following constraints:

• ${\displaystyle 15x+6y\leq 3000}$
• ${\displaystyle 5x+4y\leq 1300}$
• ${\displaystyle x+2y\leq 500}$

...

...

If the profit made made from selling X and Y is ${\displaystyle P=200x+5000y}$ then using feasible region selected from Q9 the maximum profit will be ...