Thursday

July 24, 2014

July 24, 2014

Posted by **sarah** on Tuesday, April 23, 2013 at 7:16pm.

a. y=x^2 and y=x +2

b. y=x^2 and y=8-x^2

c. y=x^2 and x=y^2

- math -
**rbowh**, Tuesday, April 23, 2013 at 7:31pma. Substitute (x + 2) from the second eq., simplify and solve for x. Then solve for y.

The other two equations are done the same way.

a. x+2 = x^2

x^2 - x - 2 = 0

(x - 2)(x + 1) = 0

can you finish it?

- math -
**sarah**, Tuesday, April 23, 2013 at 7:49pmfor for like a. it would be (2, 4) and (-1, 1)?

- math -
**rbowh**, Tuesday, April 23, 2013 at 8:22pmYes. Sorry it took so long to reply.

**Related Questions**

Calculus - Find the points of intersection for y=e^x and y=sin(2x). are there an...

math - weloo Consider the two parabolas :y1=2x^2-3x-1 and y2=x^2+7x+20. (a) Find...

math - hilp meeee trying .... Consider the two parabolas :y1=2x^2-3x-1 and y2=x^...

math - hilp meeee trying .... Consider the two parabolas :y1=2x^2-3x-1 and y2=x^...

Math- How many points of intersection are there? - Let x1, x2,..., x20 be ...

maths - geometry - In a space with an orthonormal coordinate system consider the...

math - Question-2; Consider the function f(x)= -cos3x -4sin3x. (a)Find the ...

algebra 2 - How do you find the points of intersection, if any, of the ...

Algebra - The ordered pairs represent values for x and y. (1,1) is x =1 and y=1...

math - x = 3 - y^2 y = x - 3 Find the points of intersection. If someone could ...