sdsu math placement assessment formulas Exam Questions With Verified Answers By Experts

end behavior - ANSWER-odd: different- positive: falls left, rises right; negative: rises left, falls right even: same- positive: rises x2; negative: falls x2 polynomial division - ANSWER-answer+ (remainder/divison) quadratic formula - ANSWER--b±[√b²-4ac]/2a Vertical asymptote of a rational function - ANSWER-occurs at x value which makes denominator 0, y=(ax+b)/(cx+d) horizontal asymptote rules for rational functions - ANSWER-n= degree of numerator m= degree of denominator 1. if n<m asymptote y=o 2. if n=m y= dividing coeff of n/m 3. if n>m there is no asymptote polynomials and rational inequalities - ANSWER-1. solve for f(x)=0 to get x values at 0 2. locate values on a number line 3.Choose one representative number, called a test value, within each interval and evaluate f at that number. 4. Write the solution set, selecting the interval or intervals that satisfy the given inequality 5. plug in those values to the original equation and check for truth rational number inequalities on number line - ANSWER-numerator zero: circle based on inequality (closed or open) denominator zero: always an open circle exponential functions - ANSWER-f(x)=a(b)^x,