maths

posted by Shane

Given the quadratic equation y = -x^2 + 2x + 3.
a) Will the graph turn upwards or downwards?
b)What are the coordinates of x and y intercepts?
c)What is the coordinate of the turning point?
d)Use your answer in parts (a,b,c,and d) to sketch the graph.

  1. Steve

    a) the -x^2 tells you
    b) y=(3-x)(x+1)
    c) vertex at x = 1

Respond to this Question

First Name

Your Answer

Similar Questions

  1. Algebra

    graph the equation x-3=y (where do I plot the points?
  2. algebra

    Can you use algebra to find a quadratic equation if your know the coordinates of just ONE point on its graph?
  3. maths

    Given the quadratic equation y = -x^2 + 2x + 3. a) Will the graph turn upwards or downwards?
  4. maths

    a)Express y = 2 (x - 1) (x - 5) in the form y = ax^2 + bx + c. b) From the above quadratic equation calculate the following: I) x and y intercepts II) Coordinate of the turning point III) Is the graph a maximum or minimum turning point?
  5. Math

    I can't remember how you find the roots of quadratic equations other than determining the zeroes of the equation and finding the x-intercepts. Can someone please give me a clear answer on this as my dad has been useless on this topic …
  6. Math

    If a graph of a quadratic function can have 0, 1 or 2 x-intercepts. How can you predict the number of x-intercepts without drawing the graph or (completely) solving the related equation?
  7. quadratic functions

    The graph of a quadratic function can have 0, 1 or 2 x-intercepts. How can you predict the number of x-intercepts without drawing the graph or (completely) solving the related equation?
  8. ,math

    given the quadratic equation expression x^2+10*x+12 find the turning point of its graph by using the technique known as completing the square.
  9. maths

    The rectangular coordinates of a point are given (-5,-5root3). Find polar coordinates of the point. Express theta in radians. Answer must be in form ​(Type an ordered pair. Type an exact answer in terms of pi.Use integers or fractions …
  10. Math

    On graph paper, use a table to make a complete graph of y = x2 − 2x − 8. Homework Help ✎ Write the coordinates of the y-intercept. What is the connection between the y‑intercept and the equation y = x2 − 2x − 8?

More Similar Questions