Precalculus Pretest

If y=3-4x, determine the value of y corresponding to x=-2.

Given f(x)=\frac{7}{3x+14}, determine f(2).

Sketch the graph of y=2-3x

Find the x- and y-intercepts of the line 5x-3y=15. Give your answers as ordered pairs separated by a comma.

Find the slope of the line 5x-3y=15.

Find the slope of the line containing the points P(3,-2) and Q(5,6)

Graph the solution set of 2x-3y \leq 12

Solve the system

y=2x-4

y=3x+8

Tell what method you used (this question will NOT autograde)

Simplify \frac{x^2+x-6}{x^2+2x-3}

Simplify \frac{x^2-x-6}{x^2y} \frac{xy^3}{x^2-6x+9}

Add \frac{5}{x-2}+\frac{4}{x-2}

Solve for r: s=r+rt

Simplify (x^3y^9)^\frac{4}{3}

Simplify \sqrt{80}-\sqrt{20}

Simplify

Multiply (a+2b)(a-2b)

Solve for x and y

Solve 2x^{2} +10x+3=0

Sketch the parabola f(x)=x^{2}+2x-3