Algebra

What are the coordinates of the x-intercepts of the graph of y = 2x2 + 6x – 20?
• (–5, 0), (2, 0)
• (5, 0), (–2, 0)
• (–4, 0), (10, 0)
• (4, 0), (–10, 0)

  1. 👍 0
  2. 👎 0
  3. 👁 213
  1. You must solve equation :

    2 x ^ 2 + 6 x – 20 = 0

    The solutions are :

    x = - 5 and 2

    x-intercepts

    ( - 5 , 0 ) and ( 2 , 0 )

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. algebra

    Can someone check my answers please and if Im wrong please explain. 1) graph 4x^2+4y^2=64. what are the domain and range? domain;all real numbers range;-4

  2. Pre-Calculus

    f(x) = cos(x) on the interval [−2π, 2π] (a) Find the x-intercepts of the graph of y = f(x). (Enter your answers as a comma-separated list.) (b) Find the y-intercepts of the graph of y = f(x). (Enter your answers as a

  3. Math

    4. Describe the behavior of the graph at the x-intercepts for the function f(x) = (2x-7)^7 (x+3)^4. Be sure to identify each x-intercept and justify your answer. How does each exponent change the look of the graph at the x-axis?

  4. AlgebraB-2

    1. What are the coordinates of the vertex of the graph? Is it a maximum or minimum? 3. How is the graph of y = –2x2 – 4 different from the graph of y = –2x2? (1 point) 4. Graph the function. Identify the vertex and axis of

  1. calculus

    let f be the function f(x) = x^3 + 3x^2 - x + 2 a. the tangent to the graph of f at the point P = (-2,8) intersects the graph of f again at the point Q. Find the coordinates of point Q. b. Find the coordinates of point R, the

  2. Algebra

    graph the equation x-3=y (where do I plot the points?) find the intercepts and then graph: 5x+4y=20 find the intercepts and then graph: 1.4x-1.3y=3.64 graph the equation using slope and y-intercept: y=10/7x +4 graph using slope

  3. mathematics

    f(x) = 4x^2 − 7x − 15 Part A: What are the x-intercepts of the graph of f(x)? Show your work. Part B: Is the vertex of the graph of f(x) going to be a maximum or minimum? What are the coordinates of the vertex? Justify your

  4. Algebra2

    Complete parts a – c for each quadratic function. a. Find the y-intercept, the equation of the axis of symmetry and the x-coordinate of the vertex. b. Make a table of values that includes the vertex. c. Use this information to

  1. Algebra

    Suppose that the x-intercepts of the graph of y=f(x) are -8 and 1. What are the x-intercepts of the graph of y=f(x+4)?

  2. Algebra 2

    If f(x)= x2 + 2x - 6 and g(x)= 3x2 - 5x - 7, find f(x)-g(x). A) -2x2 - 3x + 1 B) -2x2 + 7x + 1 C) -2x2 - 3x - 13

  3. algebra

    Using the intercepts to graph the equation X + 5y = 10 What points would I plot on the graph?

  4. Geometry, Help

    Help? I'm stuck. For each graph, find (a)AB to the nearest tenth and (b)the coordinates of the midpoint of AB. 1. Coordinates are A(-9, -6) B(6,6) 2.A(-2,-2) B(8,-6) 3. A(0,3) B(-2,-2)

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