# Pre-Calculus

posted by .

Find the values of x for which the line y=2x intersects the parabola y=(x-1)^2+1.

So I set the equations equal to eachother, and solved for x using the quadratic formula. The solution I got was: x=3.41 and x=0.59.
Could someone please check my work.

• Pre-Calculus -

the easy way to check is to see if the points are common

y1-y2=0 (are the y's the same?)
2(3.41)-(3.41-1)^2-1=
then try the other root.

## Similar Questions

1. ### secant line, tangent line

f(x) = sqrt(x-1), 1<=x<=3 Let A = (a,f(a)), and B = (b,f(b)). Write an equation for 1. the secant line AB 2. a tangent line to f in the interval (a,b) that is parallel to AB Thank you for all the help. For the line, you have …
2. ### calc

one more question!! what values of c deos the polynomial f(x) = x^4 + cx^3 + x^2 have two inflection points?
3. ### Algebra II

I need some help with some problems as well as need some checked. Could you please help me?
4. ### Algebra II

Solve: 3+2(1-x) >6 or 2x+14 <=8. Graph the solution set on a number line. When I solved the equations for the first one I got x<-1/2 and for the second one I got x<= -3. How do I graph the solution set for these?
5. ### General Chemistry

So I've been working on this online homework problem and got it wrong 8 times. I need help. Here's the question: 1,2-diaminoethane, H2N-CH2-CH2-NH2, is used extensively in the synthesis of compounds containing transition-metal complexes …
6. ### algebra

Quadratic equations can be solved by graphing,using the quadratic formula, completing the square, and factoring. What are the pros and cons of the methods. when would each be appropriate?
7. ### Calculus

Find the parametric equations for the line of intersection of the planes x+y+z=3 and x-y+2z=2 I took the cross product of the 2 equations and got 3i-j-2k I then set z=0 and got x=5/2 and y=1/2. I got: x=5/2 +3t y=1/2-t z=-2t However, …
8. ### Calculus

Find the parametric equations for the line of intersection of the planes x+y+z=3 and x-y+2z=2 I took the cross product of the 2 equations and got 3i-j-2k I then set z=0 and got x=5/2 and y=1/2. I got: x=5/2 +3t y=1/2-t z=-2t However, …
9. ### calculusiii

he paraboloid z = 4 − x − x2 − 2y2 intersects the plane x = 4 in a parabola. Find parametric equations in terms of t for the tangent line to this parabola at the point (4, 2, −24). (Enter your answer as a comma-separated …
10. ### Maths - Linear Relations Simple Problem

Find the values of m for which the line with equation y=mx+2 does not intersect the parabola with equation y=(x-1)^2 + 5. I am not sure how to solve this problem. I know that both equations equal each other when it intersects but what …

More Similar Questions