math

How do you find an equation of a quadratic function from two points. The two points are the vertex and the y intercept.


Suppose you have y=ax^2 + bx + c
The vertex occurs when x satisifes 2ax+b=0 or x=-b/(2a)
The y intercept occurs at x=0, so it's the c component.
Do you have a specific problem you're solving?

  1. 👍
  2. 👎
  3. 👁

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    Consider the function y = 3x5 – 25x3 + 60x + 1. Find the critical points of this function. So I got 1 and 2 as the critical points..but I feel like I did something wrong, is this right?

  2. math

    Heather is solving an equation by graphing the expressions on both sides. If her graph intersects at an infinite number of points, which statement could describe the equation Heather is attempting to solve? A. One side of the

  3. Math help and check

    Which kind of function best models the set of data points (–1, 22), (0, 6), (1, –10), (2, –26), and (3, –42)? linear **** quadratic exponential none of the above 2. Which kind of function best models the set of data points

  4. Probability and statistics

    There is an equally likely chance that a falling dart will land anywhere on the rug below. The following system is used to find the number of points the player wins. What is the expected value for the number of points won?Black =

  1. Algebra

    Use quadratic regression to find the equation of the parabola going through these 3 points. (-3,88), (2,-27), (4,-17) y= 4x2-19x+?

  2. Algebra

    Please Help! Given the following three points, find by hand the quadratic function they represent. (−1,−8), (0,−1),(1,2) A. f(x)=−3x2+4x−1 B. f(x)=−2x2+5x−1 C. f(x)=−3x2+10x−1 D. f(x)=−5x2+8x−1 Determine if

  3. Math

    Consider the points A(0,0), B(2,3), C(4,6), and D(8,12). A student plotted the points and drew a line through the points. Then, he created a triangle using points A and B and another triangle using points C and D. What is the rate

  4. Algebra

    The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 Part A: Write a sentence to compare the slope of the two functions and show the steps

  1. Algebra

    Please help.! 1) Given the following three points, find by hand the quadratic function they represent. (0,6), (2,16), (3, 33) A. f(x)=4x2−3x+6 B. f(x)=4x2+3x+6 C. f(x)=−4x2−3x+6 D. f(x)=−4x2+21x+6 2) Given the following

  2. Math

    Martin has scored an average of 12 points per game this season Game 1 he scored 8 points, game 2 he scored 11 points, game 3 he scored 12 points, and game 4 he scored 16 points. Use numbers from the box (2,3,4,5,8,11,12,13,16,n)

  3. geometry CA

    Graph quadrilateral ABCD. Then determine the most precise name for each quadrilateral. 1. A (0, 5), B (–5, 0), C (0, –5), D (5, 0) (1 point) square kite rectangle 2. A (–4, 4), B (3, 4), C (5, 0), D (–2, 0) (1 point)

  4. Calculus

    Sketch the graph of the function that has the following properties. f is continuous on (-infinity, infinity). points: (-1,2), (0, 0), (-1,0) f'(x)>0 at (-infinity, -1) f'(-1)=0 f'(x)0 on (1, infinity) f"(x)0 on (0, infinity) I'm

You can view more similar questions or ask a new question.