


Lincoln Anderson
Lincoln University
Precalculus
Precalculus teacher | Experienced educator in USA
With a focus on Precalculus, I bring expertise honed at Lincoln University. My passion lies in simplifying complex mathematical concepts, ensuring my students grasp every detail with clarity. I believe in fostering a supportive learning environment where questions are encouraged and understanding is paramount. Let's embark on a journey of mathematical discovery together.
Questions
- How do you simplify #(i)*11+(8i)#?
- What is the definition of a vector?
- In the expansion of #(ax+by)^7#, the coefficients of the first 2 terms are 127 and -224, respectively. Find values of a and b?
- What is the limit of #limxto1(sqrt(x+3)-2)/(x-1)#?
- What is 'x' in 4=(1)/(1-3x)?
- What are the real zeros of this function #f(x)=3x^3+6x^2-15x-30#?
- How do you find #abs(1-7i )#?
- How do you turn r=7 into a polar coordinate?
- V=5i-4j What is the angle of the vector?
- How to find the rule of this logarithm graph?
- How to find the formula for the inverse of the following function?
- How do you evaluate #\sqrt { - 81} + \sqrt { 49}#?
- How to Expand the following as power series? #e^x# and #ln(1+x)#
- How do you multiply and simplify #\frac { x ^ { 2} + 6x + 8} { x ^ { 2} - x - 20} \cdot \frac { x ^ { 2} - 25} { x ^ { 2} + 6x + 5}#?
- If #x^3+ax^2-3x+b = 0# has a root #2-i#, then what are the possible real values of #a# and #b# ?
- I need help in a simple Vectors question?
- Find the cube roots of -8i. Write the answer in complex form?
- The vectors x and y are unit vectors which make an angle of 60 degrees with each other (when arranged tail to tail). Determine the magnitude and direction of the geometric vector 2x-3y?
- What is the product of [ #(1/2y^2-1/3y)##(12y+3/5)# ]? Express as a trinomial.
- How to solve log equations?