TSI Math - 10 Day Curriculum Pre Test

A square has a side length of $$8x$$ . What is the are of the square?

Evaluate the function $$f\left(x\right)=\frac{x^2+3y}{4x-1}$$ when $$x=2$$ and $$y=-3$$ ?

What is a solution to the quadratic equation: $$2x^2+9x+4=0$$ ?

A bag of marbles contains 3 red, 7 blue, 2 yellow, and 4 white. If one marble is grabbed at random, what is the probability that it will be red or white?

A car dealership employs 120 people in five different departments. How many more people work in sales than at maintenance?

What is the median of the data set: $$\left\{5,\ 8,\ 3,\ 1,\ 6,\ 9\right\}$$

Expand the following expression: $$\left(x-4\right)\left(x+3\right)$$

Which of the following is equivalent to $$x^2-8x-20$$ ?

Simplify: $$\sqrt[]{\frac{4x^4}{49y^4}}$$

If $$-4x+y=13$$ and $$4x-6y=-18$$ , then what is the value of $$x$$ ?