Monday
April 21, 2014

Homework Help: Math

Posted by Karen on Wednesday, January 20, 2010 at 10:29pm.

If (a,-3) is a point on the graph of y=x^2+4x, what is the value of a?

so far i have -3=x^2+4x

i can do the problem on my graphing calc but we can't use a graphing calc on the test so i need to know how to do it by hand. what do i do next?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

graphing question - Write the equation of the line with slope 4 and y-intercept...
Math - Write the slope-intercept form of an equation of the line that passes ...
graphing polynomial functions - How do i graph f(x)4x-x^3-x^5? How do I graph f(...
calc - 6(4x+3)^5(4)(3x-5)^5+ 5(3x-5)^4(3)(4X+3)^6 common factors: (4x+3)^5 (3x-5...
bobpursley,math - about this problem , I figured it out and i did get the answer...
derivative - 29) Find the derivative of the function. F(X)=2x^2(3-4x)^2 This is...
math,help,factoring - i need help i don't know how to do the next step. factor ...
help quick pleeze - WITHOUT GRAPHING tell whether each point is on the graph of ...
Math - Write the slope-intercept form of an equation of the line that passes ...
Math repost - 1)Without graphing, describe the end behavior of the graph of f(x...

Search
Members