Working with matrices : Determinants and transposes.

If A is a 3x3 matrix such that the determinant A is 2 and A1 is the transpose of A, find the determinant of A1.

Converting a number into scientific notation.

Name and place this value into scientific notation. 0.000000000000000000000017g

Calculating the reversal tangents of a function.

What is the equation of the reversal tangent of the following function? f(x)=-(x^3)+9x^2-(29x)+35

Functions and change

Given is the following function: k(x)=2x^2*(℮^(40-x)) Is the change of the above function from delta x 42 to 42.1 approximately smaller than the delta k of 40? Please give full explanation of answer (mathematical evidence).

Functions: Change in x versus change in y

Given is the following function: k(x)=2x^2*(℮^(40-x)) Is the change of the above function from delta x 42 to 42.1 approximately smaller than the delta k of 40?

Algebra: Sequences and Expansions

1. The coefficient of x6y4 in the expansion of (2x-y)10 is ? 2. An arithmetic sequence has a=15 and the common difference d=-3/2. Find the value of 10 over Sigma k=5 ak = the kth term of the sequence. 3. Find the 3rd term in the expansion of (x+6)10.

Algebra: Ellipses and Circles

1. Find the center of the ellipse given by 64x2 + 4y2 + 128x - 80y +208 = 0 2. Find the radius of the circle defined by x22 + y2 - 6x -16y = 48 3. The distance between the foci of the ellipse defined by 9(x + 6)2 + 25(y - 15)2 = 225 4. What is the coefficient of x3 in the expansion of (2+ x)5

20 Algebra Questions

Complete the algebra questions in attachment 1. Find the domain of the given function. 2. Reduce the given expression to lowest terms. 3. Find the solution set of the given equation. Match your result to the correct answer below. 4. Convert the given expression into an equivalent expression that has the indicated denominator ...continues

Find All Zeros, Real and Complex, and use exact answers...No decimals!

f(x)= x^5 - 7x^4 + 23x^3 - 25x^2 - 50x + 78

Conversion factors : Excavation

How many cubic yards must one have to excavate using the following guidelines: Driveway size 16 X 17 Paver thickness 2 3/8 Sand bedding 400 Lbs Base compacted 6"