Lie/do not lie

The function is given by the rule f(x) = 8x+16. Determine whether point D[-1; 8] lies on this function. Solve graphically or numerically and give reasons for the your answer.

Result




Step-by-step explanation:

f(−1)=8⋅(−1)+16=8 f(−1)=8=8

Try another example


Did you find an error or inaccuracy? Feel free to write us. Thank you!



avatar







Tips to related online calculators
Line slope calculator is helpful for basic calculations in analytic geometry. The coordinates of two points in the plane calculate slope, normal and parametric line equation(s), slope, directional angle, direction vector, the length of the segment, intersections of the coordinate axes, etc.

You need to know the following knowledge to solve this word math problem:

Related math problems and questions:

  • Slope form
    lines Find the equation of a line given the point X(8, 1) and slope -2.8. Arrange your answer in the form y = ax + b, where a, b are the constants.
  • Lines
    lines How many lines can be draw with 8 points, if three points lie on one line and the other any three points do not lie on the same line?
  • Ascend vs. descent
    lines Which function is growing? a) y = 2-x b) y = 20 c) y = (x + 2). (-5) d) y = x-2
  • Points in space
    roviny There are n points, of which no three lie on one line and no four lies on one plane. How many planes can be guided by these points? How many planes are there if there are five times more than the given points?
  • Slope
    lines Calculate the slope of a line that intersects points (-84,41) and (-76,-32).
  • Line segment
    line-segment For the line segment whose endpoints are L[-1, 13] and M[18, 2], find the x and y value for the point located 4 over 7 the distance from L to M.
  • XY triangle
    triangle Determine the area of a triangle given by line 7x+8y-69=0 and coordinate axes x and y.
  • V - slope
    verticals The slope of the line whose equation is -3x -9 = 0 is
  • Perpendicular
    perpendicular Determine the slope of the line perpendicular to the line p: y = -x +4.
  • Coordinates
    geodet Determine the coordinates of the vertices and the content of the parallelogram, the two sides of which lie on the lines 8x + 3y + 1 = 0, 2x + y-1 = 0 and the diagonal on the line 3x + 2y + 3 = 0
  • Cone
    cones If the segment of the line y = -3x +4, that lies in quadrant I, is rotated about the y-axis, a cone is formed. What is the volume of the cone?
  • Midpoint of segment
    midpoint-segment Point A has coordinates [4; -11] and the midpoint of the segment AB is the point [17; -7]. What are the coordinates of point B?
  • MO - triangles
    metal On the AB and AC sides of the triangle ABC lies successive points E and F, on segment EF lie point D. The EF and BC lines are parallel and is true this ratio FD:DE = AE:EB = 2:1. The area of ABC triangle is 27 hectares and line segments EF, AD, and DB seg
  • Points on line segment
    segment Points P & Q belong to segment AB. If AB=a, AP = 2PQ = 2QB, find the distance: between point A and the midpoint of the segment QB.
  • Coordinate
    exp_ln Determine missing coordinate of the point M [x, 120] of the graph of the function f bv rule: y = 5x
  • Linear function
    intersection_fn What is the equation of linear function passing through points: a) A (0,3), B (3,0) b) A (-2,-6), B (3,4)
  • Perpendicular
    slopeplane What is the slope of the perpendicular bisector of line segment AB if A[9,9] and B[9,-2]?