# Math

posted by .

Find all positive values for k
x^2 + 2x- k
how do you figure this out

factor it out and only use the positive answer

## Similar Questions

1. ### trignometry

use degree measure for your answers. use a calculator and round the results to one decimal place for (c) and (d) (a) in triangle ABC, sin B = square root of 2 all over 2. What are the possible values for angle B?
2. ### algebra

What are the intercepting points of y^2=-4x and x^2=y I set both equations equal to 0, but only get x=0 and there is another intercepting point. please help! Graphically, y=x^2 is positive for all values of x, whether positive or negative. …
3. ### right hand rule

i hope this makes sense. Say that i have x and y axis. then i have an arrow coming out similiar to how you would draw a resultant arrow in physics. the arrow represents Force=140N Then say that you have to find the moment about O and …
4. ### maths

can you answer this question: prove that a number 10^(3n+1), where n is a positive integer, cannot be represented as the sum of two cubes of positive integers. with out using this method at all ................................. We …
5. ### Math

Find the sum of all n exterior angles of a n-sided convex polygon, where n is any positive integer larger than 3. Show all the working details and reasons. I already know that the total is 360 degrees, but how would I use mathematical …
6. ### Math

Suppose f(n+1)/f(n)= n for all positive integers of n. If f (1)=1, find the numerical value of f(6). How do i figure out this?
7. ### MATH

Find the only positive integer whose cube is the sum of the cubes of three positive integers immediately preceding it. Find this positive integer. Your algebraic work must be detailed enough to show this is the only positive integer …
8. ### physics

Two small stereo speakers A and B that are 1.40m apart are sending out sound of wavelength 33.5cm in all directions and all in phase. A person at point P starts out equidistant from both speakers and walks (see the figure (Figure 1) …
9. ### Calculus

h(x) = x+cos(ax) is a family of functions where a is a positive constant such that 0<a<4. Which values of a make h(x) strictly decreasing?
10. ### math geometry

P is parallel to q m angle 1 =(6x+y-4) m angle 2 = (x+9y+1) m angle 3 = (11x+2) A. Set up an equation(s) to find x and y. B. Show all work and solve for x and y. C. Use these values to find the values of angles 1, 2, and 3. Cant figure …

More Similar Questions